Home / 3,197.08-4,411.72-1,780.66

Finding the Fourth Proportional to 3,197.08, 4,411.72 and 1,780.66

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Solution

The fourth proportional to 3,197.08, 4,411.72 and 1,780.66 is: 2,457.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.08 : 4,411.72 = 1,780.66 : x
  2. Step 2: Convert to fraction form
    3,197.08/4,411.72 = 1,780.66/x
  3. Step 3: Cross multiply
    3,197.08x = 4,411.72 × 1,780.66
  4. Step 4: Simplify right side
    3,197.08x = 7,855,773.34
  5. Step 5: Solve for x
    x = 7,855,773.34/3,197.08
  6. Step 6: Final answer
    x = 2,457.17

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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.