Home / 2,262.81-3,122.08-1,305.48

Finding the Fourth Proportional to 2,262.81, 3,122.08 and 1,305.48

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Solution

The fourth proportional to 2,262.81, 3,122.08 and 1,305.48 is: 1,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.81 : 3,122.08 = 1,305.48 : x
  2. Step 2: Convert to fraction form
    2,262.81/3,122.08 = 1,305.48/x
  3. Step 3: Cross multiply
    2,262.81x = 3,122.08 × 1,305.48
  4. Step 4: Simplify right side
    2,262.81x = 4,075,813.00
  5. Step 5: Solve for x
    x = 4,075,813.00/2,262.81
  6. Step 6: Final answer
    x = 1,801.22

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1.5x scale

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.