Home / 4,287.45-5,916.40-2,398.71

Finding the Fourth Proportional to 4,287.45, 5,916.40 and 2,398.71

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Solution

The fourth proportional to 4,287.45, 5,916.40 and 2,398.71 is: 3,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.45 : 5,916.40 = 2,398.71 : x
  2. Step 2: Convert to fraction form
    4,287.45/5,916.40 = 2,398.71/x
  3. Step 3: Cross multiply
    4,287.45x = 5,916.40 × 2,398.71
  4. Step 4: Simplify right side
    4,287.45x = 14,191,686.27
  5. Step 5: Solve for x
    x = 14,191,686.27/4,287.45
  6. Step 6: Final answer
    x = 3,310.05

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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.