Home / 2,559.96-3,531.74-1,440.65

Finding the Fourth Proportional to 2,559.96, 3,531.74 and 1,440.65

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Solution

The fourth proportional to 2,559.96, 3,531.74 and 1,440.65 is: 1,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.96 : 3,531.74 = 1,440.65 : x
  2. Step 2: Convert to fraction form
    2,559.96/3,531.74 = 1,440.65/x
  3. Step 3: Cross multiply
    2,559.96x = 3,531.74 × 1,440.65
  4. Step 4: Simplify right side
    2,559.96x = 5,088,001.23
  5. Step 5: Solve for x
    x = 5,088,001.23/2,559.96
  6. Step 6: Final answer
    x = 1,987.53

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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.