Home / 2,973.20-4,470.60-2,908.40

Finding the Fourth Proportional to 2,973.20, 4,470.60 and 2,908.40

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Solution

The fourth proportional to 2,973.20, 4,470.60 and 2,908.40 is: 4,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.20 : 4,470.60 = 2,908.40 : x
  2. Step 2: Convert to fraction form
    2,973.20/4,470.60 = 2,908.40/x
  3. Step 3: Cross multiply
    2,973.20x = 4,470.60 × 2,908.40
  4. Step 4: Simplify right side
    2,973.20x = 13,002,293.04
  5. Step 5: Solve for x
    x = 13,002,293.04/2,973.20
  6. Step 6: Final answer
    x = 4,373.16

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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.