Home / 3,220.61-4,444.88-1,944.55

Finding the Fourth Proportional to 3,220.61, 4,444.88 and 1,944.55

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Solution

The fourth proportional to 3,220.61, 4,444.88 and 1,944.55 is: 2,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.61 : 4,444.88 = 1,944.55 : x
  2. Step 2: Convert to fraction form
    3,220.61/4,444.88 = 1,944.55/x
  3. Step 3: Cross multiply
    3,220.61x = 4,444.88 × 1,944.55
  4. Step 4: Simplify right side
    3,220.61x = 8,643,298.18
  5. Step 5: Solve for x
    x = 8,643,298.18/3,220.61
  6. Step 6: Final answer
    x = 2,683.75

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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.