Home / 2,202.08-3,038.80-1,317.43

Finding the Fourth Proportional to 2,202.08, 3,038.80 and 1,317.43

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Solution

The fourth proportional to 2,202.08, 3,038.80 and 1,317.43 is: 1,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.08 : 3,038.80 = 1,317.43 : x
  2. Step 2: Convert to fraction form
    2,202.08/3,038.80 = 1,317.43/x
  3. Step 3: Cross multiply
    2,202.08x = 3,038.80 × 1,317.43
  4. Step 4: Simplify right side
    2,202.08x = 4,003,406.28
  5. Step 5: Solve for x
    x = 4,003,406.28/2,202.08
  6. Step 6: Final answer
    x = 1,818.01

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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.