Home / 2,864.04-3,952.43-1,605.09

Finding the Fourth Proportional to 2,864.04, 3,952.43 and 1,605.09

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Solution

The fourth proportional to 2,864.04, 3,952.43 and 1,605.09 is: 2,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.04 : 3,952.43 = 1,605.09 : x
  2. Step 2: Convert to fraction form
    2,864.04/3,952.43 = 1,605.09/x
  3. Step 3: Cross multiply
    2,864.04x = 3,952.43 × 1,605.09
  4. Step 4: Simplify right side
    2,864.04x = 6,344,005.87
  5. Step 5: Solve for x
    x = 6,344,005.87/2,864.04
  6. Step 6: Final answer
    x = 2,215.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.