Home / 2,590.12-3,888.57-1,537.85

Finding the Fourth Proportional to 2,590.12, 3,888.57 and 1,537.85

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Solution

The fourth proportional to 2,590.12, 3,888.57 and 1,537.85 is: 2,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.12 : 3,888.57 = 1,537.85 : x
  2. Step 2: Convert to fraction form
    2,590.12/3,888.57 = 1,537.85/x
  3. Step 3: Cross multiply
    2,590.12x = 3,888.57 × 1,537.85
  4. Step 4: Simplify right side
    2,590.12x = 5,980,051.50
  5. Step 5: Solve for x
    x = 5,980,051.50/2,590.12
  6. Step 6: Final answer
    x = 2,308.79

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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.