Home / 3,037.77-4,191.89-1,858.68

Finding the Fourth Proportional to 3,037.77, 4,191.89 and 1,858.68

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Solution

The fourth proportional to 3,037.77, 4,191.89 and 1,858.68 is: 2,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.77 : 4,191.89 = 1,858.68 : x
  2. Step 2: Convert to fraction form
    3,037.77/4,191.89 = 1,858.68/x
  3. Step 3: Cross multiply
    3,037.77x = 4,191.89 × 1,858.68
  4. Step 4: Simplify right side
    3,037.77x = 7,791,372.81
  5. Step 5: Solve for x
    x = 7,791,372.81/3,037.77
  6. Step 6: Final answer
    x = 2,564.83

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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.