Home / 2,742.50-4,115.16-1,510.88

Finding the Fourth Proportional to 2,742.50, 4,115.16 and 1,510.88

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Solution

The fourth proportional to 2,742.50, 4,115.16 and 1,510.88 is: 2,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.50 : 4,115.16 = 1,510.88 : x
  2. Step 2: Convert to fraction form
    2,742.50/4,115.16 = 1,510.88/x
  3. Step 3: Cross multiply
    2,742.50x = 4,115.16 × 1,510.88
  4. Step 4: Simplify right side
    2,742.50x = 6,217,512.94
  5. Step 5: Solve for x
    x = 6,217,512.94/2,742.50
  6. Step 6: Final answer
    x = 2,267.10

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1.5x scale

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.