Home / 2,358.85-3,255.67-1,562.20

Finding the Fourth Proportional to 2,358.85, 3,255.67 and 1,562.20

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Solution

The fourth proportional to 2,358.85, 3,255.67 and 1,562.20 is: 2,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.85 : 3,255.67 = 1,562.20 : x
  2. Step 2: Convert to fraction form
    2,358.85/3,255.67 = 1,562.20/x
  3. Step 3: Cross multiply
    2,358.85x = 3,255.67 × 1,562.20
  4. Step 4: Simplify right side
    2,358.85x = 5,086,007.67
  5. Step 5: Solve for x
    x = 5,086,007.67/2,358.85
  6. Step 6: Final answer
    x = 2,156.14

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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.