Home / 3,019.30-4,166.19-1,760.15

Finding the Fourth Proportional to 3,019.30, 4,166.19 and 1,760.15

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Solution

The fourth proportional to 3,019.30, 4,166.19 and 1,760.15 is: 2,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.30 : 4,166.19 = 1,760.15 : x
  2. Step 2: Convert to fraction form
    3,019.30/4,166.19 = 1,760.15/x
  3. Step 3: Cross multiply
    3,019.30x = 4,166.19 × 1,760.15
  4. Step 4: Simplify right side
    3,019.30x = 7,333,129.74
  5. Step 5: Solve for x
    x = 7,333,129.74/3,019.30
  6. Step 6: Final answer
    x = 2,428.75

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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.