Home / 1,823.08-2,730.50-1,277.69

Finding the Fourth Proportional to 1,823.08, 2,730.50 and 1,277.69

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Solution

The fourth proportional to 1,823.08, 2,730.50 and 1,277.69 is: 1,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.08 : 2,730.50 = 1,277.69 : x
  2. Step 2: Convert to fraction form
    1,823.08/2,730.50 = 1,277.69/x
  3. Step 3: Cross multiply
    1,823.08x = 2,730.50 × 1,277.69
  4. Step 4: Simplify right side
    1,823.08x = 3,488,732.55
  5. Step 5: Solve for x
    x = 3,488,732.55/1,823.08
  6. Step 6: Final answer
    x = 1,913.65

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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.