Home / 2,719.02-4,075.68-1,159.76

Finding the Fourth Proportional to 2,719.02, 4,075.68 and 1,159.76

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Solution

The fourth proportional to 2,719.02, 4,075.68 and 1,159.76 is: 1,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.02 : 4,075.68 = 1,159.76 : x
  2. Step 2: Convert to fraction form
    2,719.02/4,075.68 = 1,159.76/x
  3. Step 3: Cross multiply
    2,719.02x = 4,075.68 × 1,159.76
  4. Step 4: Simplify right side
    2,719.02x = 4,726,810.64
  5. Step 5: Solve for x
    x = 4,726,810.64/2,719.02
  6. Step 6: Final answer
    x = 1,738.42

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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.