Home / 2,492.28-3,438-1,827.63

Finding the Fourth Proportional to 2,492.28, 3,438 and 1,827.63

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Solution

The fourth proportional to 2,492.28, 3,438 and 1,827.63 is: 2,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.28 : 3,438 = 1,827.63 : x
  2. Step 2: Convert to fraction form
    2,492.28/3,438 = 1,827.63/x
  3. Step 3: Cross multiply
    2,492.28x = 3,438 × 1,827.63
  4. Step 4: Simplify right side
    2,492.28x = 6,283,391.94
  5. Step 5: Solve for x
    x = 6,283,391.94/2,492.28
  6. Step 6: Final answer
    x = 2,521.14

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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.