Home / 1,995.30-2,753.23-1,156.07

Finding the Fourth Proportional to 1,995.30, 2,753.23 and 1,156.07

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Solution

The fourth proportional to 1,995.30, 2,753.23 and 1,156.07 is: 1,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.30 : 2,753.23 = 1,156.07 : x
  2. Step 2: Convert to fraction form
    1,995.30/2,753.23 = 1,156.07/x
  3. Step 3: Cross multiply
    1,995.30x = 2,753.23 × 1,156.07
  4. Step 4: Simplify right side
    1,995.30x = 3,182,931.14
  5. Step 5: Solve for x
    x = 3,182,931.14/1,995.30
  6. Step 6: Final answer
    x = 1,595.22

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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.