Home / 2,075.36-2,861.24-1,719.95

Finding the Fourth Proportional to 2,075.36, 2,861.24 and 1,719.95

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Solution

The fourth proportional to 2,075.36, 2,861.24 and 1,719.95 is: 2,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.36 : 2,861.24 = 1,719.95 : x
  2. Step 2: Convert to fraction form
    2,075.36/2,861.24 = 1,719.95/x
  3. Step 3: Cross multiply
    2,075.36x = 2,861.24 × 1,719.95
  4. Step 4: Simplify right side
    2,075.36x = 4,921,166.83
  5. Step 5: Solve for x
    x = 4,921,166.83/2,075.36
  6. Step 6: Final answer
    x = 2,371.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.