Home / 2,722.60-4,055.76-2,641.06

Finding the Fourth Proportional to 2,722.60, 4,055.76 and 2,641.06

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Solution

The fourth proportional to 2,722.60, 4,055.76 and 2,641.06 is: 3,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.60 : 4,055.76 = 2,641.06 : x
  2. Step 2: Convert to fraction form
    2,722.60/4,055.76 = 2,641.06/x
  3. Step 3: Cross multiply
    2,722.60x = 4,055.76 × 2,641.06
  4. Step 4: Simplify right side
    2,722.60x = 10,711,505.51
  5. Step 5: Solve for x
    x = 10,711,505.51/2,722.60
  6. Step 6: Final answer
    x = 3,934.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.