Home / 3,090.10-4,639.15-2,654.17

Finding the Fourth Proportional to 3,090.10, 4,639.15 and 2,654.17

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Solution

The fourth proportional to 3,090.10, 4,639.15 and 2,654.17 is: 3,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.10 : 4,639.15 = 2,654.17 : x
  2. Step 2: Convert to fraction form
    3,090.10/4,639.15 = 2,654.17/x
  3. Step 3: Cross multiply
    3,090.10x = 4,639.15 × 2,654.17
  4. Step 4: Simplify right side
    3,090.10x = 12,313,077.01
  5. Step 5: Solve for x
    x = 12,313,077.01/3,090.10
  6. Step 6: Final answer
    x = 3,984.69

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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.