Home / 1,980.17-2,969.33-593.15

Finding the Fourth Proportional to 1,980.17, 2,969.33 and 593.15

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Solution

The fourth proportional to 1,980.17, 2,969.33 and 593.15 is: 889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980.17 : 2,969.33 = 593.15 : x
  2. Step 2: Convert to fraction form
    1,980.17/2,969.33 = 593.15/x
  3. Step 3: Cross multiply
    1,980.17x = 2,969.33 × 593.15
  4. Step 4: Simplify right side
    1,980.17x = 1,761,244.73
  5. Step 5: Solve for x
    x = 1,761,244.73/1,980.17
  6. Step 6: Final answer
    x = 889.44

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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.