Home / 2,220.06-3,061.80-1,589.52

Finding the Fourth Proportional to 2,220.06, 3,061.80 and 1,589.52

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Solution

The fourth proportional to 2,220.06, 3,061.80 and 1,589.52 is: 2,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.06 : 3,061.80 = 1,589.52 : x
  2. Step 2: Convert to fraction form
    2,220.06/3,061.80 = 1,589.52/x
  3. Step 3: Cross multiply
    2,220.06x = 3,061.80 × 1,589.52
  4. Step 4: Simplify right side
    2,220.06x = 4,866,792.34
  5. Step 5: Solve for x
    x = 4,866,792.34/2,220.06
  6. Step 6: Final answer
    x = 2,192.19

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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.