Home / 3,150.78-4,726.18-1,070.80

Finding the Fourth Proportional to 3,150.78, 4,726.18 and 1,070.80

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Solution

The fourth proportional to 3,150.78, 4,726.18 and 1,070.80 is: 1,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.78 : 4,726.18 = 1,070.80 : x
  2. Step 2: Convert to fraction form
    3,150.78/4,726.18 = 1,070.80/x
  3. Step 3: Cross multiply
    3,150.78x = 4,726.18 × 1,070.80
  4. Step 4: Simplify right side
    3,150.78x = 5,060,788.19
  5. Step 5: Solve for x
    x = 5,060,788.19/3,150.78
  6. Step 6: Final answer
    x = 1,606.20

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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.