Home / 4,087.81-5,641.10-2,295.30

Finding the Fourth Proportional to 4,087.81, 5,641.10 and 2,295.30

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Solution

The fourth proportional to 4,087.81, 5,641.10 and 2,295.30 is: 3,167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.81 : 5,641.10 = 2,295.30 : x
  2. Step 2: Convert to fraction form
    4,087.81/5,641.10 = 2,295.30/x
  3. Step 3: Cross multiply
    4,087.81x = 5,641.10 × 2,295.30
  4. Step 4: Simplify right side
    4,087.81x = 12,948,010.28
  5. Step 5: Solve for x
    x = 12,948,010.28/4,087.81
  6. Step 6: Final answer
    x = 3,167.47

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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.