Home / 3,132.85-4,699.13-1,283.51

Finding the Fourth Proportional to 3,132.85, 4,699.13 and 1,283.51

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Solution

The fourth proportional to 3,132.85, 4,699.13 and 1,283.51 is: 1,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.85 : 4,699.13 = 1,283.51 : x
  2. Step 2: Convert to fraction form
    3,132.85/4,699.13 = 1,283.51/x
  3. Step 3: Cross multiply
    3,132.85x = 4,699.13 × 1,283.51
  4. Step 4: Simplify right side
    3,132.85x = 6,031,380.35
  5. Step 5: Solve for x
    x = 6,031,380.35/3,132.85
  6. Step 6: Final answer
    x = 1,925.21

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1.5x scale

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.