Home / 3,315.32-4,972.20-1,465.43

Finding the Fourth Proportional to 3,315.32, 4,972.20 and 1,465.43

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Solution

The fourth proportional to 3,315.32, 4,972.20 and 1,465.43 is: 2,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.32 : 4,972.20 = 1,465.43 : x
  2. Step 2: Convert to fraction form
    3,315.32/4,972.20 = 1,465.43/x
  3. Step 3: Cross multiply
    3,315.32x = 4,972.20 × 1,465.43
  4. Step 4: Simplify right side
    3,315.32x = 7,286,386.19
  5. Step 5: Solve for x
    x = 7,286,386.19/3,315.32
  6. Step 6: Final answer
    x = 2,197.80

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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.