Home / 1,756.11-2,632.46-1,427.72

Finding the Fourth Proportional to 1,756.11, 2,632.46 and 1,427.72

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Solution

The fourth proportional to 1,756.11, 2,632.46 and 1,427.72 is: 2,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.11 : 2,632.46 = 1,427.72 : x
  2. Step 2: Convert to fraction form
    1,756.11/2,632.46 = 1,427.72/x
  3. Step 3: Cross multiply
    1,756.11x = 2,632.46 × 1,427.72
  4. Step 4: Simplify right side
    1,756.11x = 3,758,395.49
  5. Step 5: Solve for x
    x = 3,758,395.49/1,756.11
  6. Step 6: Final answer
    x = 2,140.18

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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.