Home / 1,801.29-2,699.40-1,356.27

Finding the Fourth Proportional to 1,801.29, 2,699.40 and 1,356.27

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Solution

The fourth proportional to 1,801.29, 2,699.40 and 1,356.27 is: 2,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.29 : 2,699.40 = 1,356.27 : x
  2. Step 2: Convert to fraction form
    1,801.29/2,699.40 = 1,356.27/x
  3. Step 3: Cross multiply
    1,801.29x = 2,699.40 × 1,356.27
  4. Step 4: Simplify right side
    1,801.29x = 3,661,115.24
  5. Step 5: Solve for x
    x = 3,661,115.24/1,801.29
  6. Step 6: Final answer
    x = 2,032.50

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1.5x scale

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.