Home / 1,348.08-2,020.24-792.45

Finding the Fourth Proportional to 1,348.08, 2,020.24 and 792.45

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Solution

The fourth proportional to 1,348.08, 2,020.24 and 792.45 is: 1,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.08 : 2,020.24 = 792.45 : x
  2. Step 2: Convert to fraction form
    1,348.08/2,020.24 = 792.45/x
  3. Step 3: Cross multiply
    1,348.08x = 2,020.24 × 792.45
  4. Step 4: Simplify right side
    1,348.08x = 1,600,931.66
  5. Step 5: Solve for x
    x = 1,600,931.66/1,348.08
  6. Step 6: Final answer
    x = 1,187.56

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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.