Home / 2,419.54-3,339.03-1,371.76

Finding the Fourth Proportional to 2,419.54, 3,339.03 and 1,371.76

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Solution

The fourth proportional to 2,419.54, 3,339.03 and 1,371.76 is: 1,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.54 : 3,339.03 = 1,371.76 : x
  2. Step 2: Convert to fraction form
    2,419.54/3,339.03 = 1,371.76/x
  3. Step 3: Cross multiply
    2,419.54x = 3,339.03 × 1,371.76
  4. Step 4: Simplify right side
    2,419.54x = 4,580,347.79
  5. Step 5: Solve for x
    x = 4,580,347.79/2,419.54
  6. Step 6: Final answer
    x = 1,893.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.