Home / 3,586.35-5,374.65-1,856.19

Finding the Fourth Proportional to 3,586.35, 5,374.65 and 1,856.19

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Solution

The fourth proportional to 3,586.35, 5,374.65 and 1,856.19 is: 2,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.35 : 5,374.65 = 1,856.19 : x
  2. Step 2: Convert to fraction form
    3,586.35/5,374.65 = 1,856.19/x
  3. Step 3: Cross multiply
    3,586.35x = 5,374.65 × 1,856.19
  4. Step 4: Simplify right side
    3,586.35x = 9,976,371.58
  5. Step 5: Solve for x
    x = 9,976,371.58/3,586.35
  6. Step 6: Final answer
    x = 2,781.76

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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.