Home / 1,958.23-2,937.88-904.36

Finding the Fourth Proportional to 1,958.23, 2,937.88 and 904.36

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Solution

The fourth proportional to 1,958.23, 2,937.88 and 904.36 is: 1,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.23 : 2,937.88 = 904.36 : x
  2. Step 2: Convert to fraction form
    1,958.23/2,937.88 = 904.36/x
  3. Step 3: Cross multiply
    1,958.23x = 2,937.88 × 904.36
  4. Step 4: Simplify right side
    1,958.23x = 2,656,897.48
  5. Step 5: Solve for x
    x = 2,656,897.48/1,958.23
  6. Step 6: Final answer
    x = 1,356.79

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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.