Home / 2,319.06-3,470.99-2,103.20

Finding the Fourth Proportional to 2,319.06, 3,470.99 and 2,103.20

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Solution

The fourth proportional to 2,319.06, 3,470.99 and 2,103.20 is: 3,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.06 : 3,470.99 = 2,103.20 : x
  2. Step 2: Convert to fraction form
    2,319.06/3,470.99 = 2,103.20/x
  3. Step 3: Cross multiply
    2,319.06x = 3,470.99 × 2,103.20
  4. Step 4: Simplify right side
    2,319.06x = 7,300,158.30
  5. Step 5: Solve for x
    x = 7,300,158.30/2,319.06
  6. Step 6: Final answer
    x = 3,147.90

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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.