Home / 1,207.55-1,657.80-1,154.24

Finding the Fourth Proportional to 1,207.55, 1,657.80 and 1,154.24

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Solution

The fourth proportional to 1,207.55, 1,657.80 and 1,154.24 is: 1,584.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207.55 : 1,657.80 = 1,154.24 : x
  2. Step 2: Convert to fraction form
    1,207.55/1,657.80 = 1,154.24/x
  3. Step 3: Cross multiply
    1,207.55x = 1,657.80 × 1,154.24
  4. Step 4: Simplify right side
    1,207.55x = 1,913,490.78
  5. Step 5: Solve for x
    x = 1,913,490.78/1,207.55
  6. Step 6: Final answer
    x = 1,584.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.