Home / 1,824.19-2,517.47-1,038.40

Finding the Fourth Proportional to 1,824.19, 2,517.47 and 1,038.40

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Solution

The fourth proportional to 1,824.19, 2,517.47 and 1,038.40 is: 1,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.19 : 2,517.47 = 1,038.40 : x
  2. Step 2: Convert to fraction form
    1,824.19/2,517.47 = 1,038.40/x
  3. Step 3: Cross multiply
    1,824.19x = 2,517.47 × 1,038.40
  4. Step 4: Simplify right side
    1,824.19x = 2,614,140.85
  5. Step 5: Solve for x
    x = 2,614,140.85/1,824.19
  6. Step 6: Final answer
    x = 1,433.04

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Half scale
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Double scale
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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.