Home / 3,337.40-4,999.70-1,967.80

Finding the Fourth Proportional to 3,337.40, 4,999.70 and 1,967.80

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Solution

The fourth proportional to 3,337.40, 4,999.70 and 1,967.80 is: 2,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.40 : 4,999.70 = 1,967.80 : x
  2. Step 2: Convert to fraction form
    3,337.40/4,999.70 = 1,967.80/x
  3. Step 3: Cross multiply
    3,337.40x = 4,999.70 × 1,967.80
  4. Step 4: Simplify right side
    3,337.40x = 9,838,409.66
  5. Step 5: Solve for x
    x = 9,838,409.66/3,337.40
  6. Step 6: Final answer
    x = 2,947.93

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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.