Home / 3,551.70-5,327.55-1,802.10

Finding the Fourth Proportional to 3,551.70, 5,327.55 and 1,802.10

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Solution

The fourth proportional to 3,551.70, 5,327.55 and 1,802.10 is: 2,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.70 : 5,327.55 = 1,802.10 : x
  2. Step 2: Convert to fraction form
    3,551.70/5,327.55 = 1,802.10/x
  3. Step 3: Cross multiply
    3,551.70x = 5,327.55 × 1,802.10
  4. Step 4: Simplify right side
    3,551.70x = 9,600,777.86
  5. Step 5: Solve for x
    x = 9,600,777.86/3,551.70
  6. Step 6: Final answer
    x = 2,703.15

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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.