Home / 2,926.13-4,389.19-874.13

Finding the Fourth Proportional to 2,926.13, 4,389.19 and 874.13

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Solution

The fourth proportional to 2,926.13, 4,389.19 and 874.13 is: 1,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.13 : 4,389.19 = 874.13 : x
  2. Step 2: Convert to fraction form
    2,926.13/4,389.19 = 874.13/x
  3. Step 3: Cross multiply
    2,926.13x = 4,389.19 × 874.13
  4. Step 4: Simplify right side
    2,926.13x = 3,836,698.52
  5. Step 5: Solve for x
    x = 3,836,698.52/2,926.13
  6. Step 6: Final answer
    x = 1,311.19

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Similar ratio
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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.