Home / 3,113.10-4,641.75-3,057.75

Finding the Fourth Proportional to 3,113.10, 4,641.75 and 3,057.75

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Solution

The fourth proportional to 3,113.10, 4,641.75 and 3,057.75 is: 4,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.10 : 4,641.75 = 3,057.75 : x
  2. Step 2: Convert to fraction form
    3,113.10/4,641.75 = 3,057.75/x
  3. Step 3: Cross multiply
    3,113.10x = 4,641.75 × 3,057.75
  4. Step 4: Simplify right side
    3,113.10x = 14,193,311.06
  5. Step 5: Solve for x
    x = 14,193,311.06/3,113.10
  6. Step 6: Final answer
    x = 4,559.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.