Home / 1,824.80-2,517.49-1,038.70

Finding the Fourth Proportional to 1,824.80, 2,517.49 and 1,038.70

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Solution

The fourth proportional to 1,824.80, 2,517.49 and 1,038.70 is: 1,432.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.80 : 2,517.49 = 1,038.70 : x
  2. Step 2: Convert to fraction form
    1,824.80/2,517.49 = 1,038.70/x
  3. Step 3: Cross multiply
    1,824.80x = 2,517.49 × 1,038.70
  4. Step 4: Simplify right side
    1,824.80x = 2,614,916.86
  5. Step 5: Solve for x
    x = 2,614,916.86/1,824.80
  6. Step 6: Final answer
    x = 1,432.99

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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.