Home / 2,864.96-3,952.74-1,686.44

Finding the Fourth Proportional to 2,864.96, 3,952.74 and 1,686.44

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Solution

The fourth proportional to 2,864.96, 3,952.74 and 1,686.44 is: 2,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.96 : 3,952.74 = 1,686.44 : x
  2. Step 2: Convert to fraction form
    2,864.96/3,952.74 = 1,686.44/x
  3. Step 3: Cross multiply
    2,864.96x = 3,952.74 × 1,686.44
  4. Step 4: Simplify right side
    2,864.96x = 6,666,058.85
  5. Step 5: Solve for x
    x = 6,666,058.85/2,864.96
  6. Step 6: Final answer
    x = 2,326.75

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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.