Home / 3,302.48-4,953.72-1,111.21

Finding the Fourth Proportional to 3,302.48, 4,953.72 and 1,111.21

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Solution

The fourth proportional to 3,302.48, 4,953.72 and 1,111.21 is: 1,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.48 : 4,953.72 = 1,111.21 : x
  2. Step 2: Convert to fraction form
    3,302.48/4,953.72 = 1,111.21/x
  3. Step 3: Cross multiply
    3,302.48x = 4,953.72 × 1,111.21
  4. Step 4: Simplify right side
    3,302.48x = 5,504,623.20
  5. Step 5: Solve for x
    x = 5,504,623.20/3,302.48
  6. Step 6: Final answer
    x = 1,666.82

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Similar ratio
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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.