Home / 2,760.19-4,140.27-1,116.70

Finding the Fourth Proportional to 2,760.19, 4,140.27 and 1,116.70

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Solution

The fourth proportional to 2,760.19, 4,140.27 and 1,116.70 is: 1,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.19 : 4,140.27 = 1,116.70 : x
  2. Step 2: Convert to fraction form
    2,760.19/4,140.27 = 1,116.70/x
  3. Step 3: Cross multiply
    2,760.19x = 4,140.27 × 1,116.70
  4. Step 4: Simplify right side
    2,760.19x = 4,623,439.51
  5. Step 5: Solve for x
    x = 4,623,439.51/2,760.19
  6. Step 6: Final answer
    x = 1,675.04

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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.