Home / 1,760.14-2,430.03-1,171.90

Finding the Fourth Proportional to 1,760.14, 2,430.03 and 1,171.90

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Solution

The fourth proportional to 1,760.14, 2,430.03 and 1,171.90 is: 1,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.14 : 2,430.03 = 1,171.90 : x
  2. Step 2: Convert to fraction form
    1,760.14/2,430.03 = 1,171.90/x
  3. Step 3: Cross multiply
    1,760.14x = 2,430.03 × 1,171.90
  4. Step 4: Simplify right side
    1,760.14x = 2,847,752.16
  5. Step 5: Solve for x
    x = 2,847,752.16/1,760.14
  6. Step 6: Final answer
    x = 1,617.91

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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.