Home / 751.14-1,126.17-340.07

Finding the Fourth Proportional to 751.14, 1,126.17 and 340.07

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Solution

The fourth proportional to 751.14, 1,126.17 and 340.07 is: 509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.14 : 1,126.17 = 340.07 : x
  2. Step 2: Convert to fraction form
    751.14/1,126.17 = 340.07/x
  3. Step 3: Cross multiply
    751.14x = 1,126.17 × 340.07
  4. Step 4: Simplify right side
    751.14x = 382,971.00
  5. Step 5: Solve for x
    x = 382,971.00/751.14
  6. Step 6: Final answer
    x = 509.85

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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.