Home / 3,835.50-5,753.40-1,204.80

Finding the Fourth Proportional to 3,835.50, 5,753.40 and 1,204.80

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Solution

The fourth proportional to 3,835.50, 5,753.40 and 1,204.80 is: 1,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.50 : 5,753.40 = 1,204.80 : x
  2. Step 2: Convert to fraction form
    3,835.50/5,753.40 = 1,204.80/x
  3. Step 3: Cross multiply
    3,835.50x = 5,753.40 × 1,204.80
  4. Step 4: Simplify right side
    3,835.50x = 6,931,696.32
  5. Step 5: Solve for x
    x = 6,931,696.32/3,835.50
  6. Step 6: Final answer
    x = 1,807.25

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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.