Home / 2,784.61-4,178.07-1,302.75

Finding the Fourth Proportional to 2,784.61, 4,178.07 and 1,302.75

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Solution

The fourth proportional to 2,784.61, 4,178.07 and 1,302.75 is: 1,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.61 : 4,178.07 = 1,302.75 : x
  2. Step 2: Convert to fraction form
    2,784.61/4,178.07 = 1,302.75/x
  3. Step 3: Cross multiply
    2,784.61x = 4,178.07 × 1,302.75
  4. Step 4: Simplify right side
    2,784.61x = 5,442,980.69
  5. Step 5: Solve for x
    x = 5,442,980.69/2,784.61
  6. Step 6: Final answer
    x = 1,954.66

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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.