Home / 2,864.87-4,291.75-2,113.01

Finding the Fourth Proportional to 2,864.87, 4,291.75 and 2,113.01

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Solution

The fourth proportional to 2,864.87, 4,291.75 and 2,113.01 is: 3,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.87 : 4,291.75 = 2,113.01 : x
  2. Step 2: Convert to fraction form
    2,864.87/4,291.75 = 2,113.01/x
  3. Step 3: Cross multiply
    2,864.87x = 4,291.75 × 2,113.01
  4. Step 4: Simplify right side
    2,864.87x = 9,068,510.67
  5. Step 5: Solve for x
    x = 9,068,510.67/2,864.87
  6. Step 6: Final answer
    x = 3,165.42

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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.