Home / 1,613.85-2,226.45-1,054.13

Finding the Fourth Proportional to 1,613.85, 2,226.45 and 1,054.13

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Solution

The fourth proportional to 1,613.85, 2,226.45 and 1,054.13 is: 1,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.85 : 2,226.45 = 1,054.13 : x
  2. Step 2: Convert to fraction form
    1,613.85/2,226.45 = 1,054.13/x
  3. Step 3: Cross multiply
    1,613.85x = 2,226.45 × 1,054.13
  4. Step 4: Simplify right side
    1,613.85x = 2,346,956.61
  5. Step 5: Solve for x
    x = 2,346,956.61/1,613.85
  6. Step 6: Final answer
    x = 1,454.26

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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.