Home / 2,742.50-4,116.04-1,615.74

Finding the Fourth Proportional to 2,742.50, 4,116.04 and 1,615.74

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Solution

The fourth proportional to 2,742.50, 4,116.04 and 1,615.74 is: 2,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.50 : 4,116.04 = 1,615.74 : x
  2. Step 2: Convert to fraction form
    2,742.50/4,116.04 = 1,615.74/x
  3. Step 3: Cross multiply
    2,742.50x = 4,116.04 × 1,615.74
  4. Step 4: Simplify right side
    2,742.50x = 6,650,450.47
  5. Step 5: Solve for x
    x = 6,650,450.47/2,742.50
  6. Step 6: Final answer
    x = 2,424.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.