Home / 2,515.29-3,475.62-1,957.20

Finding the Fourth Proportional to 2,515.29, 3,475.62 and 1,957.20

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Solution

The fourth proportional to 2,515.29, 3,475.62 and 1,957.20 is: 2,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.29 : 3,475.62 = 1,957.20 : x
  2. Step 2: Convert to fraction form
    2,515.29/3,475.62 = 1,957.20/x
  3. Step 3: Cross multiply
    2,515.29x = 3,475.62 × 1,957.20
  4. Step 4: Simplify right side
    2,515.29x = 6,802,483.46
  5. Step 5: Solve for x
    x = 6,802,483.46/2,515.29
  6. Step 6: Final answer
    x = 2,704.45

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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.