Home / 1,965.20-2,948.81-1,502.69

Finding the Fourth Proportional to 1,965.20, 2,948.81 and 1,502.69

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Solution

The fourth proportional to 1,965.20, 2,948.81 and 1,502.69 is: 2,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.20 : 2,948.81 = 1,502.69 : x
  2. Step 2: Convert to fraction form
    1,965.20/2,948.81 = 1,502.69/x
  3. Step 3: Cross multiply
    1,965.20x = 2,948.81 × 1,502.69
  4. Step 4: Simplify right side
    1,965.20x = 4,431,125.04
  5. Step 5: Solve for x
    x = 4,431,125.04/1,965.20
  6. Step 6: Final answer
    x = 2,254.80

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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.