Home / 2,621.28-3,616.80-1,501.98

Finding the Fourth Proportional to 2,621.28, 3,616.80 and 1,501.98

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Solution

The fourth proportional to 2,621.28, 3,616.80 and 1,501.98 is: 2,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.28 : 3,616.80 = 1,501.98 : x
  2. Step 2: Convert to fraction form
    2,621.28/3,616.80 = 1,501.98/x
  3. Step 3: Cross multiply
    2,621.28x = 3,616.80 × 1,501.98
  4. Step 4: Simplify right side
    2,621.28x = 5,432,361.26
  5. Step 5: Solve for x
    x = 5,432,361.26/2,621.28
  6. Step 6: Final answer
    x = 2,072.41

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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.