Home / 2,176.95-3,264.51-1,021.89

Finding the Fourth Proportional to 2,176.95, 3,264.51 and 1,021.89

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Solution

The fourth proportional to 2,176.95, 3,264.51 and 1,021.89 is: 1,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.95 : 3,264.51 = 1,021.89 : x
  2. Step 2: Convert to fraction form
    2,176.95/3,264.51 = 1,021.89/x
  3. Step 3: Cross multiply
    2,176.95x = 3,264.51 × 1,021.89
  4. Step 4: Simplify right side
    2,176.95x = 3,335,970.12
  5. Step 5: Solve for x
    x = 3,335,970.12/2,176.95
  6. Step 6: Final answer
    x = 1,532.41

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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.