Home / 1,339.46-1,848.57-750.18

Finding the Fourth Proportional to 1,339.46, 1,848.57 and 750.18

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Solution

The fourth proportional to 1,339.46, 1,848.57 and 750.18 is: 1,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339.46 : 1,848.57 = 750.18 : x
  2. Step 2: Convert to fraction form
    1,339.46/1,848.57 = 750.18/x
  3. Step 3: Cross multiply
    1,339.46x = 1,848.57 × 750.18
  4. Step 4: Simplify right side
    1,339.46x = 1,386,760.24
  5. Step 5: Solve for x
    x = 1,386,760.24/1,339.46
  6. Step 6: Final answer
    x = 1,035.32

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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.