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Finding the Fourth Proportional to 2,852.01, 4,278.42 and 903.56

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Solution

The fourth proportional to 2,852.01, 4,278.42 and 903.56 is: 1,355.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.01 : 4,278.42 = 903.56 : x
  2. Step 2: Convert to fraction form
    2,852.01/4,278.42 = 903.56/x
  3. Step 3: Cross multiply
    2,852.01x = 4,278.42 × 903.56
  4. Step 4: Simplify right side
    2,852.01x = 3,865,787.78
  5. Step 5: Solve for x
    x = 3,865,787.78/2,852.01
  6. Step 6: Final answer
    x = 1,355.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.