Home / 1,658.07-2,287.69-986.04

Finding the Fourth Proportional to 1,658.07, 2,287.69 and 986.04

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Solution

The fourth proportional to 1,658.07, 2,287.69 and 986.04 is: 1,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.07 : 2,287.69 = 986.04 : x
  2. Step 2: Convert to fraction form
    1,658.07/2,287.69 = 986.04/x
  3. Step 3: Cross multiply
    1,658.07x = 2,287.69 × 986.04
  4. Step 4: Simplify right side
    1,658.07x = 2,255,753.85
  5. Step 5: Solve for x
    x = 2,255,753.85/1,658.07
  6. Step 6: Final answer
    x = 1,360.47

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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.