Home / 2,320.16-3,475.88-1,148.80

Finding the Fourth Proportional to 2,320.16, 3,475.88 and 1,148.80

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Solution

The fourth proportional to 2,320.16, 3,475.88 and 1,148.80 is: 1,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.16 : 3,475.88 = 1,148.80 : x
  2. Step 2: Convert to fraction form
    2,320.16/3,475.88 = 1,148.80/x
  3. Step 3: Cross multiply
    2,320.16x = 3,475.88 × 1,148.80
  4. Step 4: Simplify right side
    2,320.16x = 3,993,090.94
  5. Step 5: Solve for x
    x = 3,993,090.94/2,320.16
  6. Step 6: Final answer
    x = 1,721.04

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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.