Home / 2,643.24-3,965.40-888.04

Finding the Fourth Proportional to 2,643.24, 3,965.40 and 888.04

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Solution

The fourth proportional to 2,643.24, 3,965.40 and 888.04 is: 1,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.24 : 3,965.40 = 888.04 : x
  2. Step 2: Convert to fraction form
    2,643.24/3,965.40 = 888.04/x
  3. Step 3: Cross multiply
    2,643.24x = 3,965.40 × 888.04
  4. Step 4: Simplify right side
    2,643.24x = 3,521,423.90
  5. Step 5: Solve for x
    x = 3,521,423.90/2,643.24
  6. Step 6: Final answer
    x = 1,332.24

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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.