Home / 4,291.35-5,920.68-2,402.65

Finding the Fourth Proportional to 4,291.35, 5,920.68 and 2,402.65

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Solution

The fourth proportional to 4,291.35, 5,920.68 and 2,402.65 is: 3,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.35 : 5,920.68 = 2,402.65 : x
  2. Step 2: Convert to fraction form
    4,291.35/5,920.68 = 2,402.65/x
  3. Step 3: Cross multiply
    4,291.35x = 5,920.68 × 2,402.65
  4. Step 4: Simplify right side
    4,291.35x = 14,225,321.80
  5. Step 5: Solve for x
    x = 14,225,321.80/4,291.35
  6. Step 6: Final answer
    x = 3,314.88

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1.5x scale

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.