Home / 2,061.30-3,091.95-1,805.30

Finding the Fourth Proportional to 2,061.30, 3,091.95 and 1,805.30

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Solution

The fourth proportional to 2,061.30, 3,091.95 and 1,805.30 is: 2,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061.30 : 3,091.95 = 1,805.30 : x
  2. Step 2: Convert to fraction form
    2,061.30/3,091.95 = 1,805.30/x
  3. Step 3: Cross multiply
    2,061.30x = 3,091.95 × 1,805.30
  4. Step 4: Simplify right side
    2,061.30x = 5,581,897.34
  5. Step 5: Solve for x
    x = 5,581,897.34/2,061.30
  6. Step 6: Final answer
    x = 2,707.95

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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.