Home / 3,320.18-4,977.96-1,470.28

Finding the Fourth Proportional to 3,320.18, 4,977.96 and 1,470.28

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Solution

The fourth proportional to 3,320.18, 4,977.96 and 1,470.28 is: 2,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.18 : 4,977.96 = 1,470.28 : x
  2. Step 2: Convert to fraction form
    3,320.18/4,977.96 = 1,470.28/x
  3. Step 3: Cross multiply
    3,320.18x = 4,977.96 × 1,470.28
  4. Step 4: Simplify right side
    3,320.18x = 7,318,995.74
  5. Step 5: Solve for x
    x = 7,318,995.74/3,320.18
  6. Step 6: Final answer
    x = 2,204.40

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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.