Home / 10,340.38-15,510.72-2,549.19

Finding the Fourth Proportional to 10,340.38, 15,510.72 and 2,549.19

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Solution

The fourth proportional to 10,340.38, 15,510.72 and 2,549.19 is: 3,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.38 : 15,510.72 = 2,549.19 : x
  2. Step 2: Convert to fraction form
    10,340.38/15,510.72 = 2,549.19/x
  3. Step 3: Cross multiply
    10,340.38x = 15,510.72 × 2,549.19
  4. Step 4: Simplify right side
    10,340.38x = 39,539,772.32
  5. Step 5: Solve for x
    x = 39,539,772.32/10,340.38
  6. Step 6: Final answer
    x = 3,823.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.