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Finding the Fourth Proportional to 1,144.08, 1,580.02 and 794.16

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Solution

The fourth proportional to 1,144.08, 1,580.02 and 794.16 is: 1,096.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.08 : 1,580.02 = 794.16 : x
  2. Step 2: Convert to fraction form
    1,144.08/1,580.02 = 794.16/x
  3. Step 3: Cross multiply
    1,144.08x = 1,580.02 × 794.16
  4. Step 4: Simplify right side
    1,144.08x = 1,254,788.68
  5. Step 5: Solve for x
    x = 1,254,788.68/1,144.08
  6. Step 6: Final answer
    x = 1,096.77

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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.