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Finding the Fourth Proportional to 1,459.68, 2,189.16 and 844.08

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Solution

The fourth proportional to 1,459.68, 2,189.16 and 844.08 is: 1,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.68 : 2,189.16 = 844.08 : x
  2. Step 2: Convert to fraction form
    1,459.68/2,189.16 = 844.08/x
  3. Step 3: Cross multiply
    1,459.68x = 2,189.16 × 844.08
  4. Step 4: Simplify right side
    1,459.68x = 1,847,826.17
  5. Step 5: Solve for x
    x = 1,847,826.17/1,459.68
  6. Step 6: Final answer
    x = 1,265.91

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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.