Home / 1,630.12-2,247.92-1,495.20

Finding the Fourth Proportional to 1,630.12, 2,247.92 and 1,495.20

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Solution

The fourth proportional to 1,630.12, 2,247.92 and 1,495.20 is: 2,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.12 : 2,247.92 = 1,495.20 : x
  2. Step 2: Convert to fraction form
    1,630.12/2,247.92 = 1,495.20/x
  3. Step 3: Cross multiply
    1,630.12x = 2,247.92 × 1,495.20
  4. Step 4: Simplify right side
    1,630.12x = 3,361,089.98
  5. Step 5: Solve for x
    x = 3,361,089.98/1,630.12
  6. Step 6: Final answer
    x = 2,061.87

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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.