Home / 1,377.14-2,065.86-500.05

Finding the Fourth Proportional to 1,377.14, 2,065.86 and 500.05

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Solution

The fourth proportional to 1,377.14, 2,065.86 and 500.05 is: 750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377.14 : 2,065.86 = 500.05 : x
  2. Step 2: Convert to fraction form
    1,377.14/2,065.86 = 500.05/x
  3. Step 3: Cross multiply
    1,377.14x = 2,065.86 × 500.05
  4. Step 4: Simplify right side
    1,377.14x = 1,033,033.29
  5. Step 5: Solve for x
    x = 1,033,033.29/1,377.14
  6. Step 6: Final answer
    x = 750.13

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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.