Home / 3,381.34-4,663.56-2,121.26

Finding the Fourth Proportional to 3,381.34, 4,663.56 and 2,121.26

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Solution

The fourth proportional to 3,381.34, 4,663.56 and 2,121.26 is: 2,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.34 : 4,663.56 = 2,121.26 : x
  2. Step 2: Convert to fraction form
    3,381.34/4,663.56 = 2,121.26/x
  3. Step 3: Cross multiply
    3,381.34x = 4,663.56 × 2,121.26
  4. Step 4: Simplify right side
    3,381.34x = 9,892,623.29
  5. Step 5: Solve for x
    x = 9,892,623.29/3,381.34
  6. Step 6: Final answer
    x = 2,925.65

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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.