Home / 1,613.07-2,423.25-1,306.89

Finding the Fourth Proportional to 1,613.07, 2,423.25 and 1,306.89

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Solution

The fourth proportional to 1,613.07, 2,423.25 and 1,306.89 is: 1,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.07 : 2,423.25 = 1,306.89 : x
  2. Step 2: Convert to fraction form
    1,613.07/2,423.25 = 1,306.89/x
  3. Step 3: Cross multiply
    1,613.07x = 2,423.25 × 1,306.89
  4. Step 4: Simplify right side
    1,613.07x = 3,166,921.19
  5. Step 5: Solve for x
    x = 3,166,921.19/1,613.07
  6. Step 6: Final answer
    x = 1,963.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.