Home / 2,790.83-4,187.93-1,037.11

Finding the Fourth Proportional to 2,790.83, 4,187.93 and 1,037.11

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Solution

The fourth proportional to 2,790.83, 4,187.93 and 1,037.11 is: 1,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.83 : 4,187.93 = 1,037.11 : x
  2. Step 2: Convert to fraction form
    2,790.83/4,187.93 = 1,037.11/x
  3. Step 3: Cross multiply
    2,790.83x = 4,187.93 × 1,037.11
  4. Step 4: Simplify right side
    2,790.83x = 4,343,344.08
  5. Step 5: Solve for x
    x = 4,343,344.08/2,790.83
  6. Step 6: Final answer
    x = 1,556.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.