Home / 3,219.50-4,443.03-1,875.02

Finding the Fourth Proportional to 3,219.50, 4,443.03 and 1,875.02

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Solution

The fourth proportional to 3,219.50, 4,443.03 and 1,875.02 is: 2,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.50 : 4,443.03 = 1,875.02 : x
  2. Step 2: Convert to fraction form
    3,219.50/4,443.03 = 1,875.02/x
  3. Step 3: Cross multiply
    3,219.50x = 4,443.03 × 1,875.02
  4. Step 4: Simplify right side
    3,219.50x = 8,330,747.90
  5. Step 5: Solve for x
    x = 8,330,747.90/3,219.50
  6. Step 6: Final answer
    x = 2,587.59

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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.