Home / 2,426.16-3,638.80-694.36

Finding the Fourth Proportional to 2,426.16, 3,638.80 and 694.36

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Solution

The fourth proportional to 2,426.16, 3,638.80 and 694.36 is: 1,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.16 : 3,638.80 = 694.36 : x
  2. Step 2: Convert to fraction form
    2,426.16/3,638.80 = 694.36/x
  3. Step 3: Cross multiply
    2,426.16x = 3,638.80 × 694.36
  4. Step 4: Simplify right side
    2,426.16x = 2,526,637.17
  5. Step 5: Solve for x
    x = 2,526,637.17/2,426.16
  6. Step 6: Final answer
    x = 1,041.41

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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.