Home / 3,114.80-4,675.23-2,428.93

Finding the Fourth Proportional to 3,114.80, 4,675.23 and 2,428.93

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Solution

The fourth proportional to 3,114.80, 4,675.23 and 2,428.93 is: 3,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.80 : 4,675.23 = 2,428.93 : x
  2. Step 2: Convert to fraction form
    3,114.80/4,675.23 = 2,428.93/x
  3. Step 3: Cross multiply
    3,114.80x = 4,675.23 × 2,428.93
  4. Step 4: Simplify right side
    3,114.80x = 11,355,806.40
  5. Step 5: Solve for x
    x = 11,355,806.40/3,114.80
  6. Step 6: Final answer
    x = 3,645.76

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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.