Home / 1,363.44-2,044.40-931.12

Finding the Fourth Proportional to 1,363.44, 2,044.40 and 931.12

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Solution

The fourth proportional to 1,363.44, 2,044.40 and 931.12 is: 1,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.44 : 2,044.40 = 931.12 : x
  2. Step 2: Convert to fraction form
    1,363.44/2,044.40 = 931.12/x
  3. Step 3: Cross multiply
    1,363.44x = 2,044.40 × 931.12
  4. Step 4: Simplify right side
    1,363.44x = 1,903,581.73
  5. Step 5: Solve for x
    x = 1,903,581.73/1,363.44
  6. Step 6: Final answer
    x = 1,396.16

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1.5x scale

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.