Home / 1,631.10-2,446.17-889.86

Finding the Fourth Proportional to 1,631.10, 2,446.17 and 889.86

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Solution

The fourth proportional to 1,631.10, 2,446.17 and 889.86 is: 1,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.10 : 2,446.17 = 889.86 : x
  2. Step 2: Convert to fraction form
    1,631.10/2,446.17 = 889.86/x
  3. Step 3: Cross multiply
    1,631.10x = 2,446.17 × 889.86
  4. Step 4: Simplify right side
    1,631.10x = 2,176,748.84
  5. Step 5: Solve for x
    x = 2,176,748.84/1,631.10
  6. Step 6: Final answer
    x = 1,334.53

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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.