Home / 3,230.13-4,456.88-1,903.35

Finding the Fourth Proportional to 3,230.13, 4,456.88 and 1,903.35

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Solution

The fourth proportional to 3,230.13, 4,456.88 and 1,903.35 is: 2,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.13 : 4,456.88 = 1,903.35 : x
  2. Step 2: Convert to fraction form
    3,230.13/4,456.88 = 1,903.35/x
  3. Step 3: Cross multiply
    3,230.13x = 4,456.88 × 1,903.35
  4. Step 4: Simplify right side
    3,230.13x = 8,483,002.55
  5. Step 5: Solve for x
    x = 8,483,002.55/3,230.13
  6. Step 6: Final answer
    x = 2,626.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.