Home / 3,156.53-4,729.40-2,230.29

Finding the Fourth Proportional to 3,156.53, 4,729.40 and 2,230.29

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Solution

The fourth proportional to 3,156.53, 4,729.40 and 2,230.29 is: 3,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.53 : 4,729.40 = 2,230.29 : x
  2. Step 2: Convert to fraction form
    3,156.53/4,729.40 = 2,230.29/x
  3. Step 3: Cross multiply
    3,156.53x = 4,729.40 × 2,230.29
  4. Step 4: Simplify right side
    3,156.53x = 10,547,922.37
  5. Step 5: Solve for x
    x = 10,547,922.37/3,156.53
  6. Step 6: Final answer
    x = 3,341.62

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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.