Home / 2,254.32-3,381.08-1,021.50

Finding the Fourth Proportional to 2,254.32, 3,381.08 and 1,021.50

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Solution

The fourth proportional to 2,254.32, 3,381.08 and 1,021.50 is: 1,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.32 : 3,381.08 = 1,021.50 : x
  2. Step 2: Convert to fraction form
    2,254.32/3,381.08 = 1,021.50/x
  3. Step 3: Cross multiply
    2,254.32x = 3,381.08 × 1,021.50
  4. Step 4: Simplify right side
    2,254.32x = 3,453,768.11
  5. Step 5: Solve for x
    x = 3,453,768.11/2,254.32
  6. Step 6: Final answer
    x = 1,532.07

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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.