Home / 3,197.61-4,796.64-1,117.40

Finding the Fourth Proportional to 3,197.61, 4,796.64 and 1,117.40

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Solution

The fourth proportional to 3,197.61, 4,796.64 and 1,117.40 is: 1,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.61 : 4,796.64 = 1,117.40 : x
  2. Step 2: Convert to fraction form
    3,197.61/4,796.64 = 1,117.40/x
  3. Step 3: Cross multiply
    3,197.61x = 4,796.64 × 1,117.40
  4. Step 4: Simplify right side
    3,197.61x = 5,359,741.55
  5. Step 5: Solve for x
    x = 5,359,741.55/3,197.61
  6. Step 6: Final answer
    x = 1,676.17

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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.