Home / 2,369.40-3,554.10-638.04

Finding the Fourth Proportional to 2,369.40, 3,554.10 and 638.04

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Solution

The fourth proportional to 2,369.40, 3,554.10 and 638.04 is: 957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.40 : 3,554.10 = 638.04 : x
  2. Step 2: Convert to fraction form
    2,369.40/3,554.10 = 638.04/x
  3. Step 3: Cross multiply
    2,369.40x = 3,554.10 × 638.04
  4. Step 4: Simplify right side
    2,369.40x = 2,267,657.96
  5. Step 5: Solve for x
    x = 2,267,657.96/2,369.40
  6. Step 6: Final answer
    x = 957.06

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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.