Home / 2,319.09-3,472.56-1,590.09

Finding the Fourth Proportional to 2,319.09, 3,472.56 and 1,590.09

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Solution

The fourth proportional to 2,319.09, 3,472.56 and 1,590.09 is: 2,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.09 : 3,472.56 = 1,590.09 : x
  2. Step 2: Convert to fraction form
    2,319.09/3,472.56 = 1,590.09/x
  3. Step 3: Cross multiply
    2,319.09x = 3,472.56 × 1,590.09
  4. Step 4: Simplify right side
    2,319.09x = 5,521,682.93
  5. Step 5: Solve for x
    x = 5,521,682.93/2,319.09
  6. Step 6: Final answer
    x = 2,380.97

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1.5x scale

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.