Home / 2,848.70-3,930.86-1,589.83

Finding the Fourth Proportional to 2,848.70, 3,930.86 and 1,589.83

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Solution

The fourth proportional to 2,848.70, 3,930.86 and 1,589.83 is: 2,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.70 : 3,930.86 = 1,589.83 : x
  2. Step 2: Convert to fraction form
    2,848.70/3,930.86 = 1,589.83/x
  3. Step 3: Cross multiply
    2,848.70x = 3,930.86 × 1,589.83
  4. Step 4: Simplify right side
    2,848.70x = 6,249,393.30
  5. Step 5: Solve for x
    x = 6,249,393.30/2,848.70
  6. Step 6: Final answer
    x = 2,193.77

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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.