Home / 2,848.85-3,931.41-1,589.87

Finding the Fourth Proportional to 2,848.85, 3,931.41 and 1,589.87

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Solution

The fourth proportional to 2,848.85, 3,931.41 and 1,589.87 is: 2,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.85 : 3,931.41 = 1,589.87 : x
  2. Step 2: Convert to fraction form
    2,848.85/3,931.41 = 1,589.87/x
  3. Step 3: Cross multiply
    2,848.85x = 3,931.41 × 1,589.87
  4. Step 4: Simplify right side
    2,848.85x = 6,250,430.82
  5. Step 5: Solve for x
    x = 6,250,430.82/2,848.85
  6. Step 6: Final answer
    x = 2,194.02

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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.