Home / 3,156.52-4,355.94-1,740.22

Finding the Fourth Proportional to 3,156.52, 4,355.94 and 1,740.22

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Solution

The fourth proportional to 3,156.52, 4,355.94 and 1,740.22 is: 2,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.52 : 4,355.94 = 1,740.22 : x
  2. Step 2: Convert to fraction form
    3,156.52/4,355.94 = 1,740.22/x
  3. Step 3: Cross multiply
    3,156.52x = 4,355.94 × 1,740.22
  4. Step 4: Simplify right side
    3,156.52x = 7,580,293.91
  5. Step 5: Solve for x
    x = 7,580,293.91/3,156.52
  6. Step 6: Final answer
    x = 2,401.47

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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.