Home / 1,630.68-2,426.40-1,625.22

Finding the Fourth Proportional to 1,630.68, 2,426.40 and 1,625.22

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Solution

The fourth proportional to 1,630.68, 2,426.40 and 1,625.22 is: 2,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.68 : 2,426.40 = 1,625.22 : x
  2. Step 2: Convert to fraction form
    1,630.68/2,426.40 = 1,625.22/x
  3. Step 3: Cross multiply
    1,630.68x = 2,426.40 × 1,625.22
  4. Step 4: Simplify right side
    1,630.68x = 3,943,433.81
  5. Step 5: Solve for x
    x = 3,943,433.81/1,630.68
  6. Step 6: Final answer
    x = 2,418.28

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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.