Home / 1,855.60-2,779.32-1,527.28

Finding the Fourth Proportional to 1,855.60, 2,779.32 and 1,527.28

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Solution

The fourth proportional to 1,855.60, 2,779.32 and 1,527.28 is: 2,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.60 : 2,779.32 = 1,527.28 : x
  2. Step 2: Convert to fraction form
    1,855.60/2,779.32 = 1,527.28/x
  3. Step 3: Cross multiply
    1,855.60x = 2,779.32 × 1,527.28
  4. Step 4: Simplify right side
    1,855.60x = 4,244,799.85
  5. Step 5: Solve for x
    x = 4,244,799.85/1,855.60
  6. Step 6: Final answer
    x = 2,287.56

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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.