Home / 2,315.16-3,472.74-1,082.16

Finding the Fourth Proportional to 2,315.16, 3,472.74 and 1,082.16

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Solution

The fourth proportional to 2,315.16, 3,472.74 and 1,082.16 is: 1,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.16 : 3,472.74 = 1,082.16 : x
  2. Step 2: Convert to fraction form
    2,315.16/3,472.74 = 1,082.16/x
  3. Step 3: Cross multiply
    2,315.16x = 3,472.74 × 1,082.16
  4. Step 4: Simplify right side
    2,315.16x = 3,758,060.32
  5. Step 5: Solve for x
    x = 3,758,060.32/2,315.16
  6. Step 6: Final answer
    x = 1,623.24

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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.