Home / 3,837.02-5,756.60-1,240.70

Finding the Fourth Proportional to 3,837.02, 5,756.60 and 1,240.70

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Solution

The fourth proportional to 3,837.02, 5,756.60 and 1,240.70 is: 1,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.02 : 5,756.60 = 1,240.70 : x
  2. Step 2: Convert to fraction form
    3,837.02/5,756.60 = 1,240.70/x
  3. Step 3: Cross multiply
    3,837.02x = 5,756.60 × 1,240.70
  4. Step 4: Simplify right side
    3,837.02x = 7,142,187.94
  5. Step 5: Solve for x
    x = 7,142,187.94/3,837.02
  6. Step 6: Final answer
    x = 1,861.39

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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.