Home / 3,558.91-5,341.59-1,805.14

Finding the Fourth Proportional to 3,558.91, 5,341.59 and 1,805.14

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Solution

The fourth proportional to 3,558.91, 5,341.59 and 1,805.14 is: 2,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.91 : 5,341.59 = 1,805.14 : x
  2. Step 2: Convert to fraction form
    3,558.91/5,341.59 = 1,805.14/x
  3. Step 3: Cross multiply
    3,558.91x = 5,341.59 × 1,805.14
  4. Step 4: Simplify right side
    3,558.91x = 9,642,317.77
  5. Step 5: Solve for x
    x = 9,642,317.77/3,558.91
  6. Step 6: Final answer
    x = 2,709.35

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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.