Home / 3,024.95-4,174.31-1,680.62

Finding the Fourth Proportional to 3,024.95, 4,174.31 and 1,680.62

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Solution

The fourth proportional to 3,024.95, 4,174.31 and 1,680.62 is: 2,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024.95 : 4,174.31 = 1,680.62 : x
  2. Step 2: Convert to fraction form
    3,024.95/4,174.31 = 1,680.62/x
  3. Step 3: Cross multiply
    3,024.95x = 4,174.31 × 1,680.62
  4. Step 4: Simplify right side
    3,024.95x = 7,015,412.20
  5. Step 5: Solve for x
    x = 7,015,412.20/3,024.95
  6. Step 6: Final answer
    x = 2,319.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.