Home / 3,355.71-5,035.55-1,277.47

Finding the Fourth Proportional to 3,355.71, 5,035.55 and 1,277.47

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Solution

The fourth proportional to 3,355.71, 5,035.55 and 1,277.47 is: 1,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.71 : 5,035.55 = 1,277.47 : x
  2. Step 2: Convert to fraction form
    3,355.71/5,035.55 = 1,277.47/x
  3. Step 3: Cross multiply
    3,355.71x = 5,035.55 × 1,277.47
  4. Step 4: Simplify right side
    3,355.71x = 6,432,732.49
  5. Step 5: Solve for x
    x = 6,432,732.49/3,355.71
  6. Step 6: Final answer
    x = 1,916.95

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1.5x scale

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.