Home / 2,516.50-3,472.62-1,397.36

Finding the Fourth Proportional to 2,516.50, 3,472.62 and 1,397.36

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Solution

The fourth proportional to 2,516.50, 3,472.62 and 1,397.36 is: 1,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.50 : 3,472.62 = 1,397.36 : x
  2. Step 2: Convert to fraction form
    2,516.50/3,472.62 = 1,397.36/x
  3. Step 3: Cross multiply
    2,516.50x = 3,472.62 × 1,397.36
  4. Step 4: Simplify right side
    2,516.50x = 4,852,482.92
  5. Step 5: Solve for x
    x = 4,852,482.92/2,516.50
  6. Step 6: Final answer
    x = 1,928.27

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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.