Home / 2,288.36-3,157.98-1,403.64

Finding the Fourth Proportional to 2,288.36, 3,157.98 and 1,403.64

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Solution

The fourth proportional to 2,288.36, 3,157.98 and 1,403.64 is: 1,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.36 : 3,157.98 = 1,403.64 : x
  2. Step 2: Convert to fraction form
    2,288.36/3,157.98 = 1,403.64/x
  3. Step 3: Cross multiply
    2,288.36x = 3,157.98 × 1,403.64
  4. Step 4: Simplify right side
    2,288.36x = 4,432,664.42
  5. Step 5: Solve for x
    x = 4,432,664.42/2,288.36
  6. Step 6: Final answer
    x = 1,937.05

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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.