Home / 2,657.46-3,666.61-1,725.78

Finding the Fourth Proportional to 2,657.46, 3,666.61 and 1,725.78

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Solution

The fourth proportional to 2,657.46, 3,666.61 and 1,725.78 is: 2,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.46 : 3,666.61 = 1,725.78 : x
  2. Step 2: Convert to fraction form
    2,657.46/3,666.61 = 1,725.78/x
  3. Step 3: Cross multiply
    2,657.46x = 3,666.61 × 1,725.78
  4. Step 4: Simplify right side
    2,657.46x = 6,327,762.21
  5. Step 5: Solve for x
    x = 6,327,762.21/2,657.46
  6. Step 6: Final answer
    x = 2,381.13

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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.