Home / 3,219.92-4,443.60-1,875.44

Finding the Fourth Proportional to 3,219.92, 4,443.60 and 1,875.44

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Solution

The fourth proportional to 3,219.92, 4,443.60 and 1,875.44 is: 2,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.92 : 4,443.60 = 1,875.44 : x
  2. Step 2: Convert to fraction form
    3,219.92/4,443.60 = 1,875.44/x
  3. Step 3: Cross multiply
    3,219.92x = 4,443.60 × 1,875.44
  4. Step 4: Simplify right side
    3,219.92x = 8,333,705.18
  5. Step 5: Solve for x
    x = 8,333,705.18/3,219.92
  6. Step 6: Final answer
    x = 2,588.17

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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.