Home / 2,483.12-3,722.36-945.20

Finding the Fourth Proportional to 2,483.12, 3,722.36 and 945.20

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Solution

The fourth proportional to 2,483.12, 3,722.36 and 945.20 is: 1,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.12 : 3,722.36 = 945.20 : x
  2. Step 2: Convert to fraction form
    2,483.12/3,722.36 = 945.20/x
  3. Step 3: Cross multiply
    2,483.12x = 3,722.36 × 945.20
  4. Step 4: Simplify right side
    2,483.12x = 3,518,374.67
  5. Step 5: Solve for x
    x = 3,518,374.67/2,483.12
  6. Step 6: Final answer
    x = 1,416.92

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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.