Home / 1,664.48-2,492.10-1,143.38

Finding the Fourth Proportional to 1,664.48, 2,492.10 and 1,143.38

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Solution

The fourth proportional to 1,664.48, 2,492.10 and 1,143.38 is: 1,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.48 : 2,492.10 = 1,143.38 : x
  2. Step 2: Convert to fraction form
    1,664.48/2,492.10 = 1,143.38/x
  3. Step 3: Cross multiply
    1,664.48x = 2,492.10 × 1,143.38
  4. Step 4: Simplify right side
    1,664.48x = 2,849,417.30
  5. Step 5: Solve for x
    x = 2,849,417.30/1,664.48
  6. Step 6: Final answer
    x = 1,711.90

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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.