Home / 1,944.90-2,686.14-1,508.07

Finding the Fourth Proportional to 1,944.90, 2,686.14 and 1,508.07

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Solution

The fourth proportional to 1,944.90, 2,686.14 and 1,508.07 is: 2,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.90 : 2,686.14 = 1,508.07 : x
  2. Step 2: Convert to fraction form
    1,944.90/2,686.14 = 1,508.07/x
  3. Step 3: Cross multiply
    1,944.90x = 2,686.14 × 1,508.07
  4. Step 4: Simplify right side
    1,944.90x = 4,050,887.15
  5. Step 5: Solve for x
    x = 4,050,887.15/1,944.90
  6. Step 6: Final answer
    x = 2,082.83

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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.