Home / 2,948.54-4,419.63-1,387.22

Finding the Fourth Proportional to 2,948.54, 4,419.63 and 1,387.22

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Solution

The fourth proportional to 2,948.54, 4,419.63 and 1,387.22 is: 2,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.54 : 4,419.63 = 1,387.22 : x
  2. Step 2: Convert to fraction form
    2,948.54/4,419.63 = 1,387.22/x
  3. Step 3: Cross multiply
    2,948.54x = 4,419.63 × 1,387.22
  4. Step 4: Simplify right side
    2,948.54x = 6,130,977.03
  5. Step 5: Solve for x
    x = 6,130,977.03/2,948.54
  6. Step 6: Final answer
    x = 2,079.33

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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.