Home / 2,559.13-3,531.34-1,440.04

Finding the Fourth Proportional to 2,559.13, 3,531.34 and 1,440.04

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Solution

The fourth proportional to 2,559.13, 3,531.34 and 1,440.04 is: 1,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.13 : 3,531.34 = 1,440.04 : x
  2. Step 2: Convert to fraction form
    2,559.13/3,531.34 = 1,440.04/x
  3. Step 3: Cross multiply
    2,559.13x = 3,531.34 × 1,440.04
  4. Step 4: Simplify right side
    2,559.13x = 5,085,270.85
  5. Step 5: Solve for x
    x = 5,085,270.85/2,559.13
  6. Step 6: Final answer
    x = 1,987.11

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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.