Home / 1,767.36-2,652.48-1,275.84

Finding the Fourth Proportional to 1,767.36, 2,652.48 and 1,275.84

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Solution

The fourth proportional to 1,767.36, 2,652.48 and 1,275.84 is: 1,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.36 : 2,652.48 = 1,275.84 : x
  2. Step 2: Convert to fraction form
    1,767.36/2,652.48 = 1,275.84/x
  3. Step 3: Cross multiply
    1,767.36x = 2,652.48 × 1,275.84
  4. Step 4: Simplify right side
    1,767.36x = 3,384,140.08
  5. Step 5: Solve for x
    x = 3,384,140.08/1,767.36
  6. Step 6: Final answer
    x = 1,914.80

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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.