Home / 2,719.22-4,075.70-1,156.92

Finding the Fourth Proportional to 2,719.22, 4,075.70 and 1,156.92

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Solution

The fourth proportional to 2,719.22, 4,075.70 and 1,156.92 is: 1,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.22 : 4,075.70 = 1,156.92 : x
  2. Step 2: Convert to fraction form
    2,719.22/4,075.70 = 1,156.92/x
  3. Step 3: Cross multiply
    2,719.22x = 4,075.70 × 1,156.92
  4. Step 4: Simplify right side
    2,719.22x = 4,715,258.84
  5. Step 5: Solve for x
    x = 4,715,258.84/2,719.22
  6. Step 6: Final answer
    x = 1,734.05

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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.