Home / 1,776.62-2,451.75-1,030.70

Finding the Fourth Proportional to 1,776.62, 2,451.75 and 1,030.70

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Solution

The fourth proportional to 1,776.62, 2,451.75 and 1,030.70 is: 1,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.62 : 2,451.75 = 1,030.70 : x
  2. Step 2: Convert to fraction form
    1,776.62/2,451.75 = 1,030.70/x
  3. Step 3: Cross multiply
    1,776.62x = 2,451.75 × 1,030.70
  4. Step 4: Simplify right side
    1,776.62x = 2,527,018.73
  5. Step 5: Solve for x
    x = 2,527,018.73/1,776.62
  6. Step 6: Final answer
    x = 1,422.37

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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.