Home / 2,483.41-3,426.14-1,420.61

Finding the Fourth Proportional to 2,483.41, 3,426.14 and 1,420.61

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Solution

The fourth proportional to 2,483.41, 3,426.14 and 1,420.61 is: 1,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.41 : 3,426.14 = 1,420.61 : x
  2. Step 2: Convert to fraction form
    2,483.41/3,426.14 = 1,420.61/x
  3. Step 3: Cross multiply
    2,483.41x = 3,426.14 × 1,420.61
  4. Step 4: Simplify right side
    2,483.41x = 4,867,206.45
  5. Step 5: Solve for x
    x = 4,867,206.45/2,483.41
  6. Step 6: Final answer
    x = 1,959.89

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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.