Home / 3,848.50-5,310.93-2,169.74

Finding the Fourth Proportional to 3,848.50, 5,310.93 and 2,169.74

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Solution

The fourth proportional to 3,848.50, 5,310.93 and 2,169.74 is: 2,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.50 : 5,310.93 = 2,169.74 : x
  2. Step 2: Convert to fraction form
    3,848.50/5,310.93 = 2,169.74/x
  3. Step 3: Cross multiply
    3,848.50x = 5,310.93 × 2,169.74
  4. Step 4: Simplify right side
    3,848.50x = 11,523,337.26
  5. Step 5: Solve for x
    x = 11,523,337.26/3,848.50
  6. Step 6: Final answer
    x = 2,994.24

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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.