Home / 3,537.81-5,298.63-1,690.22

Finding the Fourth Proportional to 3,537.81, 5,298.63 and 1,690.22

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Solution

The fourth proportional to 3,537.81, 5,298.63 and 1,690.22 is: 2,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.81 : 5,298.63 = 1,690.22 : x
  2. Step 2: Convert to fraction form
    3,537.81/5,298.63 = 1,690.22/x
  3. Step 3: Cross multiply
    3,537.81x = 5,298.63 × 1,690.22
  4. Step 4: Simplify right side
    3,537.81x = 8,955,850.40
  5. Step 5: Solve for x
    x = 8,955,850.40/3,537.81
  6. Step 6: Final answer
    x = 2,531.47

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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.