Home / 2,621.95-3,617.81-1,502.63

Finding the Fourth Proportional to 2,621.95, 3,617.81 and 1,502.63

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Solution

The fourth proportional to 2,621.95, 3,617.81 and 1,502.63 is: 2,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.95 : 3,617.81 = 1,502.63 : x
  2. Step 2: Convert to fraction form
    2,621.95/3,617.81 = 1,502.63/x
  3. Step 3: Cross multiply
    2,621.95x = 3,617.81 × 1,502.63
  4. Step 4: Simplify right side
    2,621.95x = 5,436,223.44
  5. Step 5: Solve for x
    x = 5,436,223.44/2,621.95
  6. Step 6: Final answer
    x = 2,073.35

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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.