Home / 3,176.12-4,381.26-2,243

Finding the Fourth Proportional to 3,176.12, 4,381.26 and 2,243

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Solution

The fourth proportional to 3,176.12, 4,381.26 and 2,243 is: 3,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.12 : 4,381.26 = 2,243 : x
  2. Step 2: Convert to fraction form
    3,176.12/4,381.26 = 2,243/x
  3. Step 3: Cross multiply
    3,176.12x = 4,381.26 × 2,243
  4. Step 4: Simplify right side
    3,176.12x = 9,827,166.18
  5. Step 5: Solve for x
    x = 9,827,166.18/3,176.12
  6. Step 6: Final answer
    x = 3,094.08

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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.