Home / 3,037.89-4,188.45-2,477.79

Finding the Fourth Proportional to 3,037.89, 4,188.45 and 2,477.79

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Solution

The fourth proportional to 3,037.89, 4,188.45 and 2,477.79 is: 3,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.89 : 4,188.45 = 2,477.79 : x
  2. Step 2: Convert to fraction form
    3,037.89/4,188.45 = 2,477.79/x
  3. Step 3: Cross multiply
    3,037.89x = 4,188.45 × 2,477.79
  4. Step 4: Simplify right side
    3,037.89x = 10,378,099.53
  5. Step 5: Solve for x
    x = 10,378,099.53/3,037.89
  6. Step 6: Final answer
    x = 3,416.22

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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.