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Finding the Fourth Proportional to 1,373.50, 2,060.44 and 448.86

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Solution

The fourth proportional to 1,373.50, 2,060.44 and 448.86 is: 673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.50 : 2,060.44 = 448.86 : x
  2. Step 2: Convert to fraction form
    1,373.50/2,060.44 = 448.86/x
  3. Step 3: Cross multiply
    1,373.50x = 2,060.44 × 448.86
  4. Step 4: Simplify right side
    1,373.50x = 924,849.10
  5. Step 5: Solve for x
    x = 924,849.10/1,373.50
  6. Step 6: Final answer
    x = 673.35

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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.