Home / 1,840.95-2,756.68-1,222.72

Finding the Fourth Proportional to 1,840.95, 2,756.68 and 1,222.72

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Solution

The fourth proportional to 1,840.95, 2,756.68 and 1,222.72 is: 1,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.95 : 2,756.68 = 1,222.72 : x
  2. Step 2: Convert to fraction form
    1,840.95/2,756.68 = 1,222.72/x
  3. Step 3: Cross multiply
    1,840.95x = 2,756.68 × 1,222.72
  4. Step 4: Simplify right side
    1,840.95x = 3,370,637.82
  5. Step 5: Solve for x
    x = 3,370,637.82/1,840.95
  6. Step 6: Final answer
    x = 1,830.92

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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.