Home / 3,655.15-5,483.19-1,189.13

Finding the Fourth Proportional to 3,655.15, 5,483.19 and 1,189.13

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Solution

The fourth proportional to 3,655.15, 5,483.19 and 1,189.13 is: 1,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.15 : 5,483.19 = 1,189.13 : x
  2. Step 2: Convert to fraction form
    3,655.15/5,483.19 = 1,189.13/x
  3. Step 3: Cross multiply
    3,655.15x = 5,483.19 × 1,189.13
  4. Step 4: Simplify right side
    3,655.15x = 6,520,233.61
  5. Step 5: Solve for x
    x = 6,520,233.61/3,655.15
  6. Step 6: Final answer
    x = 1,783.85

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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.