Home / 2,942.04-4,057.65-2,587.20

Finding the Fourth Proportional to 2,942.04, 4,057.65 and 2,587.20

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Solution

The fourth proportional to 2,942.04, 4,057.65 and 2,587.20 is: 3,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.04 : 4,057.65 = 2,587.20 : x
  2. Step 2: Convert to fraction form
    2,942.04/4,057.65 = 2,587.20/x
  3. Step 3: Cross multiply
    2,942.04x = 4,057.65 × 2,587.20
  4. Step 4: Simplify right side
    2,942.04x = 10,497,952.08
  5. Step 5: Solve for x
    x = 10,497,952.08/2,942.04
  6. Step 6: Final answer
    x = 3,568.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.