Home / 3,036.60-4,190.51-1,760.72

Finding the Fourth Proportional to 3,036.60, 4,190.51 and 1,760.72

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Solution

The fourth proportional to 3,036.60, 4,190.51 and 1,760.72 is: 2,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.60 : 4,190.51 = 1,760.72 : x
  2. Step 2: Convert to fraction form
    3,036.60/4,190.51 = 1,760.72/x
  3. Step 3: Cross multiply
    3,036.60x = 4,190.51 × 1,760.72
  4. Step 4: Simplify right side
    3,036.60x = 7,378,335.67
  5. Step 5: Solve for x
    x = 7,378,335.67/3,036.60
  6. Step 6: Final answer
    x = 2,429.80

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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.