Home / 2,861.61-4,293.68-1,543.85

Finding the Fourth Proportional to 2,861.61, 4,293.68 and 1,543.85

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Solution

The fourth proportional to 2,861.61, 4,293.68 and 1,543.85 is: 2,316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.61 : 4,293.68 = 1,543.85 : x
  2. Step 2: Convert to fraction form
    2,861.61/4,293.68 = 1,543.85/x
  3. Step 3: Cross multiply
    2,861.61x = 4,293.68 × 1,543.85
  4. Step 4: Simplify right side
    2,861.61x = 6,628,768.68
  5. Step 5: Solve for x
    x = 6,628,768.68/2,861.61
  6. Step 6: Final answer
    x = 2,316.45

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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.