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Finding the Fourth Proportional to 2,868.04, 3,951.54 and 2,394.28

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Solution

The fourth proportional to 2,868.04, 3,951.54 and 2,394.28 is: 3,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.04 : 3,951.54 = 2,394.28 : x
  2. Step 2: Convert to fraction form
    2,868.04/3,951.54 = 2,394.28/x
  3. Step 3: Cross multiply
    2,868.04x = 3,951.54 × 2,394.28
  4. Step 4: Simplify right side
    2,868.04x = 9,461,093.19
  5. Step 5: Solve for x
    x = 9,461,093.19/2,868.04
  6. Step 6: Final answer
    x = 3,298.80

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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.