Home / 2,191.42-3,285.87-1,037.17

Finding the Fourth Proportional to 2,191.42, 3,285.87 and 1,037.17

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Solution

The fourth proportional to 2,191.42, 3,285.87 and 1,037.17 is: 1,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.42 : 3,285.87 = 1,037.17 : x
  2. Step 2: Convert to fraction form
    2,191.42/3,285.87 = 1,037.17/x
  3. Step 3: Cross multiply
    2,191.42x = 3,285.87 × 1,037.17
  4. Step 4: Simplify right side
    2,191.42x = 3,408,005.79
  5. Step 5: Solve for x
    x = 3,408,005.79/2,191.42
  6. Step 6: Final answer
    x = 1,555.16

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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.