Home / 3,400.90-5,092.70-1,937.50

Finding the Fourth Proportional to 3,400.90, 5,092.70 and 1,937.50

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Solution

The fourth proportional to 3,400.90, 5,092.70 and 1,937.50 is: 2,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.90 : 5,092.70 = 1,937.50 : x
  2. Step 2: Convert to fraction form
    3,400.90/5,092.70 = 1,937.50/x
  3. Step 3: Cross multiply
    3,400.90x = 5,092.70 × 1,937.50
  4. Step 4: Simplify right side
    3,400.90x = 9,867,106.25
  5. Step 5: Solve for x
    x = 9,867,106.25/3,400.90
  6. Step 6: Final answer
    x = 2,901.32

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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.