Home / 3,062.40-4,224.96-1,803.36

Finding the Fourth Proportional to 3,062.40, 4,224.96 and 1,803.36

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Solution

The fourth proportional to 3,062.40, 4,224.96 and 1,803.36 is: 2,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.40 : 4,224.96 = 1,803.36 : x
  2. Step 2: Convert to fraction form
    3,062.40/4,224.96 = 1,803.36/x
  3. Step 3: Cross multiply
    3,062.40x = 4,224.96 × 1,803.36
  4. Step 4: Simplify right side
    3,062.40x = 7,619,123.87
  5. Step 5: Solve for x
    x = 7,619,123.87/3,062.40
  6. Step 6: Final answer
    x = 2,487.96

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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.