Home / 4,071.28-5,618.33-2,302.95

Finding the Fourth Proportional to 4,071.28, 5,618.33 and 2,302.95

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Solution

The fourth proportional to 4,071.28, 5,618.33 and 2,302.95 is: 3,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.28 : 5,618.33 = 2,302.95 : x
  2. Step 2: Convert to fraction form
    4,071.28/5,618.33 = 2,302.95/x
  3. Step 3: Cross multiply
    4,071.28x = 5,618.33 × 2,302.95
  4. Step 4: Simplify right side
    4,071.28x = 12,938,733.07
  5. Step 5: Solve for x
    x = 12,938,733.07/4,071.28
  6. Step 6: Final answer
    x = 3,178.05

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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.