Home / 2,102.22-2,901.16-1,263

Finding the Fourth Proportional to 2,102.22, 2,901.16 and 1,263

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Solution

The fourth proportional to 2,102.22, 2,901.16 and 1,263 is: 1,743.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.22 : 2,901.16 = 1,263 : x
  2. Step 2: Convert to fraction form
    2,102.22/2,901.16 = 1,263/x
  3. Step 3: Cross multiply
    2,102.22x = 2,901.16 × 1,263
  4. Step 4: Simplify right side
    2,102.22x = 3,664,165.08
  5. Step 5: Solve for x
    x = 3,664,165.08/2,102.22
  6. Step 6: Final answer
    x = 1,743.00

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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.