Home / 4,128.18-5,695.49-2,358.53

Finding the Fourth Proportional to 4,128.18, 5,695.49 and 2,358.53

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Solution

The fourth proportional to 4,128.18, 5,695.49 and 2,358.53 is: 3,253.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.18 : 5,695.49 = 2,358.53 : x
  2. Step 2: Convert to fraction form
    4,128.18/5,695.49 = 2,358.53/x
  3. Step 3: Cross multiply
    4,128.18x = 5,695.49 × 2,358.53
  4. Step 4: Simplify right side
    4,128.18x = 13,432,982.81
  5. Step 5: Solve for x
    x = 13,432,982.81/4,128.18
  6. Step 6: Final answer
    x = 3,253.98

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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.