Home / 2,909.04-4,331.10-2,740.56

Finding the Fourth Proportional to 2,909.04, 4,331.10 and 2,740.56

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Solution

The fourth proportional to 2,909.04, 4,331.10 and 2,740.56 is: 4,080.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.04 : 4,331.10 = 2,740.56 : x
  2. Step 2: Convert to fraction form
    2,909.04/4,331.10 = 2,740.56/x
  3. Step 3: Cross multiply
    2,909.04x = 4,331.10 × 2,740.56
  4. Step 4: Simplify right side
    2,909.04x = 11,869,639.42
  5. Step 5: Solve for x
    x = 11,869,639.42/2,909.04
  6. Step 6: Final answer
    x = 4,080.26

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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.