Home / 1,835.20-2,750.48-1,064.80

Finding the Fourth Proportional to 1,835.20, 2,750.48 and 1,064.80

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Solution

The fourth proportional to 1,835.20, 2,750.48 and 1,064.80 is: 1,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.20 : 2,750.48 = 1,064.80 : x
  2. Step 2: Convert to fraction form
    1,835.20/2,750.48 = 1,064.80/x
  3. Step 3: Cross multiply
    1,835.20x = 2,750.48 × 1,064.80
  4. Step 4: Simplify right side
    1,835.20x = 2,928,711.10
  5. Step 5: Solve for x
    x = 2,928,711.10/1,835.20
  6. Step 6: Final answer
    x = 1,595.85

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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.