Home / 3,902.90-5,856.62-1,564.02

Finding the Fourth Proportional to 3,902.90, 5,856.62 and 1,564.02

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Solution

The fourth proportional to 3,902.90, 5,856.62 and 1,564.02 is: 2,346.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.90 : 5,856.62 = 1,564.02 : x
  2. Step 2: Convert to fraction form
    3,902.90/5,856.62 = 1,564.02/x
  3. Step 3: Cross multiply
    3,902.90x = 5,856.62 × 1,564.02
  4. Step 4: Simplify right side
    3,902.90x = 9,159,870.81
  5. Step 5: Solve for x
    x = 9,159,870.81/3,902.90
  6. Step 6: Final answer
    x = 2,346.94

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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.