Home / 3,281.18-4,921.06-1,202.16

Finding the Fourth Proportional to 3,281.18, 4,921.06 and 1,202.16

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Solution

The fourth proportional to 3,281.18, 4,921.06 and 1,202.16 is: 1,802.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.18 : 4,921.06 = 1,202.16 : x
  2. Step 2: Convert to fraction form
    3,281.18/4,921.06 = 1,202.16/x
  3. Step 3: Cross multiply
    3,281.18x = 4,921.06 × 1,202.16
  4. Step 4: Simplify right side
    3,281.18x = 5,915,901.49
  5. Step 5: Solve for x
    x = 5,915,901.49/3,281.18
  6. Step 6: Final answer
    x = 1,802.98

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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.