Home / 2,041.36-2,816.94-1,202.20

Finding the Fourth Proportional to 2,041.36, 2,816.94 and 1,202.20

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Solution

The fourth proportional to 2,041.36, 2,816.94 and 1,202.20 is: 1,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.36 : 2,816.94 = 1,202.20 : x
  2. Step 2: Convert to fraction form
    2,041.36/2,816.94 = 1,202.20/x
  3. Step 3: Cross multiply
    2,041.36x = 2,816.94 × 1,202.20
  4. Step 4: Simplify right side
    2,041.36x = 3,386,525.27
  5. Step 5: Solve for x
    x = 3,386,525.27/2,041.36
  6. Step 6: Final answer
    x = 1,658.96

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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.