Home / 2,852.16-4,278.45-904.38

Finding the Fourth Proportional to 2,852.16, 4,278.45 and 904.38

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Solution

The fourth proportional to 2,852.16, 4,278.45 and 904.38 is: 1,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.16 : 4,278.45 = 904.38 : x
  2. Step 2: Convert to fraction form
    2,852.16/4,278.45 = 904.38/x
  3. Step 3: Cross multiply
    2,852.16x = 4,278.45 × 904.38
  4. Step 4: Simplify right side
    2,852.16x = 3,869,331.96
  5. Step 5: Solve for x
    x = 3,869,331.96/2,852.16
  6. Step 6: Final answer
    x = 1,356.63

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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.