Home / 3,242.54-4,473.14-2,122.98

Finding the Fourth Proportional to 3,242.54, 4,473.14 and 2,122.98

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Solution

The fourth proportional to 3,242.54, 4,473.14 and 2,122.98 is: 2,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.54 : 4,473.14 = 2,122.98 : x
  2. Step 2: Convert to fraction form
    3,242.54/4,473.14 = 2,122.98/x
  3. Step 3: Cross multiply
    3,242.54x = 4,473.14 × 2,122.98
  4. Step 4: Simplify right side
    3,242.54x = 9,496,386.76
  5. Step 5: Solve for x
    x = 9,496,386.76/3,242.54
  6. Step 6: Final answer
    x = 2,928.69

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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.