Home / 1,933.18-2,894.63-1,318.10

Finding the Fourth Proportional to 1,933.18, 2,894.63 and 1,318.10

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Solution

The fourth proportional to 1,933.18, 2,894.63 and 1,318.10 is: 1,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.18 : 2,894.63 = 1,318.10 : x
  2. Step 2: Convert to fraction form
    1,933.18/2,894.63 = 1,318.10/x
  3. Step 3: Cross multiply
    1,933.18x = 2,894.63 × 1,318.10
  4. Step 4: Simplify right side
    1,933.18x = 3,815,390.74
  5. Step 5: Solve for x
    x = 3,815,390.74/1,933.18
  6. Step 6: Final answer
    x = 1,973.64

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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.