Home / 1,339.49-1,848.57-750.11

Finding the Fourth Proportional to 1,339.49, 1,848.57 and 750.11

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Solution

The fourth proportional to 1,339.49, 1,848.57 and 750.11 is: 1,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339.49 : 1,848.57 = 750.11 : x
  2. Step 2: Convert to fraction form
    1,339.49/1,848.57 = 750.11/x
  3. Step 3: Cross multiply
    1,339.49x = 1,848.57 × 750.11
  4. Step 4: Simplify right side
    1,339.49x = 1,386,630.84
  5. Step 5: Solve for x
    x = 1,386,630.84/1,339.49
  6. Step 6: Final answer
    x = 1,035.19

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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.