Home / 3,020.80-4,166.72-1,842.24

Finding the Fourth Proportional to 3,020.80, 4,166.72 and 1,842.24

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Solution

The fourth proportional to 3,020.80, 4,166.72 and 1,842.24 is: 2,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.80 : 4,166.72 = 1,842.24 : x
  2. Step 2: Convert to fraction form
    3,020.80/4,166.72 = 1,842.24/x
  3. Step 3: Cross multiply
    3,020.80x = 4,166.72 × 1,842.24
  4. Step 4: Simplify right side
    3,020.80x = 7,676,098.25
  5. Step 5: Solve for x
    x = 7,676,098.25/3,020.80
  6. Step 6: Final answer
    x = 2,541.08

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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.