Home / 1,854.29-2,558.49-1,356.07

Finding the Fourth Proportional to 1,854.29, 2,558.49 and 1,356.07

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Solution

The fourth proportional to 1,854.29, 2,558.49 and 1,356.07 is: 1,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.29 : 2,558.49 = 1,356.07 : x
  2. Step 2: Convert to fraction form
    1,854.29/2,558.49 = 1,356.07/x
  3. Step 3: Cross multiply
    1,854.29x = 2,558.49 × 1,356.07
  4. Step 4: Simplify right side
    1,854.29x = 3,469,477.65
  5. Step 5: Solve for x
    x = 3,469,477.65/1,854.29
  6. Step 6: Final answer
    x = 1,871.05

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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.