Home / 3,150.54-4,725.81-1,070.78

Finding the Fourth Proportional to 3,150.54, 4,725.81 and 1,070.78

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Solution

The fourth proportional to 3,150.54, 4,725.81 and 1,070.78 is: 1,606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.54 : 4,725.81 = 1,070.78 : x
  2. Step 2: Convert to fraction form
    3,150.54/4,725.81 = 1,070.78/x
  3. Step 3: Cross multiply
    3,150.54x = 4,725.81 × 1,070.78
  4. Step 4: Simplify right side
    3,150.54x = 5,060,279.20
  5. Step 5: Solve for x
    x = 5,060,279.20/3,150.54
  6. Step 6: Final answer
    x = 1,606.16

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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.