Home / 2,559.18-3,531.66-1,511.30

Finding the Fourth Proportional to 2,559.18, 3,531.66 and 1,511.30

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Solution

The fourth proportional to 2,559.18, 3,531.66 and 1,511.30 is: 2,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.18 : 3,531.66 = 1,511.30 : x
  2. Step 2: Convert to fraction form
    2,559.18/3,531.66 = 1,511.30/x
  3. Step 3: Cross multiply
    2,559.18x = 3,531.66 × 1,511.30
  4. Step 4: Simplify right side
    2,559.18x = 5,337,397.76
  5. Step 5: Solve for x
    x = 5,337,397.76/2,559.18
  6. Step 6: Final answer
    x = 2,085.59

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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.