Home / 2,102.08-2,901.28-1,263.46

Finding the Fourth Proportional to 2,102.08, 2,901.28 and 1,263.46

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Solution

The fourth proportional to 2,102.08, 2,901.28 and 1,263.46 is: 1,743.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.08 : 2,901.28 = 1,263.46 : x
  2. Step 2: Convert to fraction form
    2,102.08/2,901.28 = 1,263.46/x
  3. Step 3: Cross multiply
    2,102.08x = 2,901.28 × 1,263.46
  4. Step 4: Simplify right side
    2,102.08x = 3,665,651.23
  5. Step 5: Solve for x
    x = 3,665,651.23/2,102.08
  6. Step 6: Final answer
    x = 1,743.82

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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.