Home / 2,419.81-3,339.22-1,371.67

Finding the Fourth Proportional to 2,419.81, 3,339.22 and 1,371.67

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Solution

The fourth proportional to 2,419.81, 3,339.22 and 1,371.67 is: 1,892.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.81 : 3,339.22 = 1,371.67 : x
  2. Step 2: Convert to fraction form
    2,419.81/3,339.22 = 1,371.67/x
  3. Step 3: Cross multiply
    2,419.81x = 3,339.22 × 1,371.67
  4. Step 4: Simplify right side
    2,419.81x = 4,580,307.90
  5. Step 5: Solve for x
    x = 4,580,307.90/2,419.81
  6. Step 6: Final answer
    x = 1,892.84

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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.