Home / 1,631.16-2,445.48-1,142.76

Finding the Fourth Proportional to 1,631.16, 2,445.48 and 1,142.76

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Solution

The fourth proportional to 1,631.16, 2,445.48 and 1,142.76 is: 1,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.16 : 2,445.48 = 1,142.76 : x
  2. Step 2: Convert to fraction form
    1,631.16/2,445.48 = 1,142.76/x
  3. Step 3: Cross multiply
    1,631.16x = 2,445.48 × 1,142.76
  4. Step 4: Simplify right side
    1,631.16x = 2,794,596.72
  5. Step 5: Solve for x
    x = 2,794,596.72/1,631.16
  6. Step 6: Final answer
    x = 1,713.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.