Home / 1,824.54-2,517.29-1,078.76

Finding the Fourth Proportional to 1,824.54, 2,517.29 and 1,078.76

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Solution

The fourth proportional to 1,824.54, 2,517.29 and 1,078.76 is: 1,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.54 : 2,517.29 = 1,078.76 : x
  2. Step 2: Convert to fraction form
    1,824.54/2,517.29 = 1,078.76/x
  3. Step 3: Cross multiply
    1,824.54x = 2,517.29 × 1,078.76
  4. Step 4: Simplify right side
    1,824.54x = 2,715,533.78
  5. Step 5: Solve for x
    x = 2,715,533.78/1,824.54
  6. Step 6: Final answer
    x = 1,488.34

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,825.54, 2,518.66 and 1,079.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.