Home / 2,280.04-3,149.22-1,984.36

Finding the Fourth Proportional to 2,280.04, 3,149.22 and 1,984.36

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Solution

The fourth proportional to 2,280.04, 3,149.22 and 1,984.36 is: 2,740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.04 : 3,149.22 = 1,984.36 : x
  2. Step 2: Convert to fraction form
    2,280.04/3,149.22 = 1,984.36/x
  3. Step 3: Cross multiply
    2,280.04x = 3,149.22 × 1,984.36
  4. Step 4: Simplify right side
    2,280.04x = 6,249,186.20
  5. Step 5: Solve for x
    x = 6,249,186.20/2,280.04
  6. Step 6: Final answer
    x = 2,740.82

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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.