Home / 2,912.27-4,368.38-1,616.45

Finding the Fourth Proportional to 2,912.27, 4,368.38 and 1,616.45

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Solution

The fourth proportional to 2,912.27, 4,368.38 and 1,616.45 is: 2,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.27 : 4,368.38 = 1,616.45 : x
  2. Step 2: Convert to fraction form
    2,912.27/4,368.38 = 1,616.45/x
  3. Step 3: Cross multiply
    2,912.27x = 4,368.38 × 1,616.45
  4. Step 4: Simplify right side
    2,912.27x = 7,061,237.93
  5. Step 5: Solve for x
    x = 7,061,237.93/2,912.27
  6. Step 6: Final answer
    x = 2,424.66

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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.