Home / 2,328.93-3,213.95-1,281

Finding the Fourth Proportional to 2,328.93, 3,213.95 and 1,281

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Solution

The fourth proportional to 2,328.93, 3,213.95 and 1,281 is: 1,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.93 : 3,213.95 = 1,281 : x
  2. Step 2: Convert to fraction form
    2,328.93/3,213.95 = 1,281/x
  3. Step 3: Cross multiply
    2,328.93x = 3,213.95 × 1,281
  4. Step 4: Simplify right side
    2,328.93x = 4,117,069.95
  5. Step 5: Solve for x
    x = 4,117,069.95/2,328.93
  6. Step 6: Final answer
    x = 1,767.79

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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.