Home / 4,287.18-5,916.42-2,398.70

Finding the Fourth Proportional to 4,287.18, 5,916.42 and 2,398.70

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Solution

The fourth proportional to 4,287.18, 5,916.42 and 2,398.70 is: 3,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.18 : 5,916.42 = 2,398.70 : x
  2. Step 2: Convert to fraction form
    4,287.18/5,916.42 = 2,398.70/x
  3. Step 3: Cross multiply
    4,287.18x = 5,916.42 × 2,398.70
  4. Step 4: Simplify right side
    4,287.18x = 14,191,716.65
  5. Step 5: Solve for x
    x = 14,191,716.65/4,287.18
  6. Step 6: Final answer
    x = 3,310.27

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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.