Home / 2,559.38-3,530.90-1,888.79

Finding the Fourth Proportional to 2,559.38, 3,530.90 and 1,888.79

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Solution

The fourth proportional to 2,559.38, 3,530.90 and 1,888.79 is: 2,605.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.38 : 3,530.90 = 1,888.79 : x
  2. Step 2: Convert to fraction form
    2,559.38/3,530.90 = 1,888.79/x
  3. Step 3: Cross multiply
    2,559.38x = 3,530.90 × 1,888.79
  4. Step 4: Simplify right side
    2,559.38x = 6,669,115.68
  5. Step 5: Solve for x
    x = 6,669,115.68/2,559.38
  6. Step 6: Final answer
    x = 2,605.76

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Double scale
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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.