Home / 2,559.38-3,532.14-1,440.25

Finding the Fourth Proportional to 2,559.38, 3,532.14 and 1,440.25

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Solution

The fourth proportional to 2,559.38, 3,532.14 and 1,440.25 is: 1,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.38 : 3,532.14 = 1,440.25 : x
  2. Step 2: Convert to fraction form
    2,559.38/3,532.14 = 1,440.25/x
  3. Step 3: Cross multiply
    2,559.38x = 3,532.14 × 1,440.25
  4. Step 4: Simplify right side
    2,559.38x = 5,087,164.64
  5. Step 5: Solve for x
    x = 5,087,164.64/2,559.38
  6. Step 6: Final answer
    x = 1,987.66

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1.5x scale

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.