Home / 2,902.45-4,005.87-1,723.58

Finding the Fourth Proportional to 2,902.45, 4,005.87 and 1,723.58

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Solution

The fourth proportional to 2,902.45, 4,005.87 and 1,723.58 is: 2,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.45 : 4,005.87 = 1,723.58 : x
  2. Step 2: Convert to fraction form
    2,902.45/4,005.87 = 1,723.58/x
  3. Step 3: Cross multiply
    2,902.45x = 4,005.87 × 1,723.58
  4. Step 4: Simplify right side
    2,902.45x = 6,904,437.41
  5. Step 5: Solve for x
    x = 6,904,437.41/2,902.45
  6. Step 6: Final answer
    x = 2,378.83

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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.