Home / 2,558.76-3,531.51-1,615.07

Finding the Fourth Proportional to 2,558.76, 3,531.51 and 1,615.07

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Solution

The fourth proportional to 2,558.76, 3,531.51 and 1,615.07 is: 2,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.76 : 3,531.51 = 1,615.07 : x
  2. Step 2: Convert to fraction form
    2,558.76/3,531.51 = 1,615.07/x
  3. Step 3: Cross multiply
    2,558.76x = 3,531.51 × 1,615.07
  4. Step 4: Simplify right side
    2,558.76x = 5,703,618.20
  5. Step 5: Solve for x
    x = 5,703,618.20/2,558.76
  6. Step 6: Final answer
    x = 2,229.06

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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.