Home / 2,700.71-4,049.45-1,055.30

Finding the Fourth Proportional to 2,700.71, 4,049.45 and 1,055.30

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Solution

The fourth proportional to 2,700.71, 4,049.45 and 1,055.30 is: 1,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.71 : 4,049.45 = 1,055.30 : x
  2. Step 2: Convert to fraction form
    2,700.71/4,049.45 = 1,055.30/x
  3. Step 3: Cross multiply
    2,700.71x = 4,049.45 × 1,055.30
  4. Step 4: Simplify right side
    2,700.71x = 4,273,378.20
  5. Step 5: Solve for x
    x = 4,273,378.20/2,700.71
  6. Step 6: Final answer
    x = 1,582.32

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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.