Home / 2,421.02-3,632.80-960.18

Finding the Fourth Proportional to 2,421.02, 3,632.80 and 960.18

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Solution

The fourth proportional to 2,421.02, 3,632.80 and 960.18 is: 1,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.02 : 3,632.80 = 960.18 : x
  2. Step 2: Convert to fraction form
    2,421.02/3,632.80 = 960.18/x
  3. Step 3: Cross multiply
    2,421.02x = 3,632.80 × 960.18
  4. Step 4: Simplify right side
    2,421.02x = 3,488,141.90
  5. Step 5: Solve for x
    x = 3,488,141.90/2,421.02
  6. Step 6: Final answer
    x = 1,440.77

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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.