Home / 1,824.07-2,517.28-1,078.67

Finding the Fourth Proportional to 1,824.07, 2,517.28 and 1,078.67

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Solution

The fourth proportional to 1,824.07, 2,517.28 and 1,078.67 is: 1,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.07 : 2,517.28 = 1,078.67 : x
  2. Step 2: Convert to fraction form
    1,824.07/2,517.28 = 1,078.67/x
  3. Step 3: Cross multiply
    1,824.07x = 2,517.28 × 1,078.67
  4. Step 4: Simplify right side
    1,824.07x = 2,715,303.85
  5. Step 5: Solve for x
    x = 2,715,303.85/1,824.07
  6. Step 6: Final answer
    x = 1,488.60

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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.