Home / 3,154.71-4,352.63-2,035.70

Finding the Fourth Proportional to 3,154.71, 4,352.63 and 2,035.70

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Solution

The fourth proportional to 3,154.71, 4,352.63 and 2,035.70 is: 2,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.71 : 4,352.63 = 2,035.70 : x
  2. Step 2: Convert to fraction form
    3,154.71/4,352.63 = 2,035.70/x
  3. Step 3: Cross multiply
    3,154.71x = 4,352.63 × 2,035.70
  4. Step 4: Simplify right side
    3,154.71x = 8,860,616.95
  5. Step 5: Solve for x
    x = 8,860,616.95/3,154.71
  6. Step 6: Final answer
    x = 2,808.69

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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.