Home / 751.24-1,126.17-340.18

Finding the Fourth Proportional to 751.24, 1,126.17 and 340.18

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Solution

The fourth proportional to 751.24, 1,126.17 and 340.18 is: 509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.24 : 1,126.17 = 340.18 : x
  2. Step 2: Convert to fraction form
    751.24/1,126.17 = 340.18/x
  3. Step 3: Cross multiply
    751.24x = 1,126.17 × 340.18
  4. Step 4: Simplify right side
    751.24x = 383,100.51
  5. Step 5: Solve for x
    x = 383,100.51/751.24
  6. Step 6: Final answer
    x = 509.96

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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.