Home / 2,866.96-3,956.33-1,590.83

Finding the Fourth Proportional to 2,866.96, 3,956.33 and 1,590.83

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Solution

The fourth proportional to 2,866.96, 3,956.33 and 1,590.83 is: 2,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.96 : 3,956.33 = 1,590.83 : x
  2. Step 2: Convert to fraction form
    2,866.96/3,956.33 = 1,590.83/x
  3. Step 3: Cross multiply
    2,866.96x = 3,956.33 × 1,590.83
  4. Step 4: Simplify right side
    2,866.96x = 6,293,848.45
  5. Step 5: Solve for x
    x = 6,293,848.45/2,866.96
  6. Step 6: Final answer
    x = 2,195.30

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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.