Home / 2,497.15-3,447.80-1,553.32

Finding the Fourth Proportional to 2,497.15, 3,447.80 and 1,553.32

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Solution

The fourth proportional to 2,497.15, 3,447.80 and 1,553.32 is: 2,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.15 : 3,447.80 = 1,553.32 : x
  2. Step 2: Convert to fraction form
    2,497.15/3,447.80 = 1,553.32/x
  3. Step 3: Cross multiply
    2,497.15x = 3,447.80 × 1,553.32
  4. Step 4: Simplify right side
    2,497.15x = 5,355,536.70
  5. Step 5: Solve for x
    x = 5,355,536.70/2,497.15
  6. Step 6: Final answer
    x = 2,144.66

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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.