Home / 1,948.96-2,920.20-1,369

Finding the Fourth Proportional to 1,948.96, 2,920.20 and 1,369

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Solution

The fourth proportional to 1,948.96, 2,920.20 and 1,369 is: 2,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.96 : 2,920.20 = 1,369 : x
  2. Step 2: Convert to fraction form
    1,948.96/2,920.20 = 1,369/x
  3. Step 3: Cross multiply
    1,948.96x = 2,920.20 × 1,369
  4. Step 4: Simplify right side
    1,948.96x = 3,997,753.80
  5. Step 5: Solve for x
    x = 3,997,753.80/1,948.96
  6. Step 6: Final answer
    x = 2,051.22

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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.