Home / 4,948.80-7,419.42-2,351.40

Finding the Fourth Proportional to 4,948.80, 7,419.42 and 2,351.40

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Solution

The fourth proportional to 4,948.80, 7,419.42 and 2,351.40 is: 3,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.80 : 7,419.42 = 2,351.40 : x
  2. Step 2: Convert to fraction form
    4,948.80/7,419.42 = 2,351.40/x
  3. Step 3: Cross multiply
    4,948.80x = 7,419.42 × 2,351.40
  4. Step 4: Simplify right side
    4,948.80x = 17,446,024.19
  5. Step 5: Solve for x
    x = 17,446,024.19/4,948.80
  6. Step 6: Final answer
    x = 3,525.30

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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.