Home / 3,321.13-4,977.66-1,470.13

Finding the Fourth Proportional to 3,321.13, 4,977.66 and 1,470.13

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Solution

The fourth proportional to 3,321.13, 4,977.66 and 1,470.13 is: 2,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.13 : 4,977.66 = 1,470.13 : x
  2. Step 2: Convert to fraction form
    3,321.13/4,977.66 = 1,470.13/x
  3. Step 3: Cross multiply
    3,321.13x = 4,977.66 × 1,470.13
  4. Step 4: Simplify right side
    3,321.13x = 7,317,807.30
  5. Step 5: Solve for x
    x = 7,317,807.30/3,321.13
  6. Step 6: Final answer
    x = 2,203.41

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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.