Home / 2,760.10-4,140.15-2,457.70

Finding the Fourth Proportional to 2,760.10, 4,140.15 and 2,457.70

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Solution

The fourth proportional to 2,760.10, 4,140.15 and 2,457.70 is: 3,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.10 : 4,140.15 = 2,457.70 : x
  2. Step 2: Convert to fraction form
    2,760.10/4,140.15 = 2,457.70/x
  3. Step 3: Cross multiply
    2,760.10x = 4,140.15 × 2,457.70
  4. Step 4: Simplify right side
    2,760.10x = 10,175,246.66
  5. Step 5: Solve for x
    x = 10,175,246.66/2,760.10
  6. Step 6: Final answer
    x = 3,686.55

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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.