Home / 2,586.20-3,565.62-1,879.07

Finding the Fourth Proportional to 2,586.20, 3,565.62 and 1,879.07

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Solution

The fourth proportional to 2,586.20, 3,565.62 and 1,879.07 is: 2,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.20 : 3,565.62 = 1,879.07 : x
  2. Step 2: Convert to fraction form
    2,586.20/3,565.62 = 1,879.07/x
  3. Step 3: Cross multiply
    2,586.20x = 3,565.62 × 1,879.07
  4. Step 4: Simplify right side
    2,586.20x = 6,700,031.75
  5. Step 5: Solve for x
    x = 6,700,031.75/2,586.20
  6. Step 6: Final answer
    x = 2,590.69

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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.