Home / 2,929.38-4,043.58-1,811.18

Finding the Fourth Proportional to 2,929.38, 4,043.58 and 1,811.18

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Solution

The fourth proportional to 2,929.38, 4,043.58 and 1,811.18 is: 2,500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.38 : 4,043.58 = 1,811.18 : x
  2. Step 2: Convert to fraction form
    2,929.38/4,043.58 = 1,811.18/x
  3. Step 3: Cross multiply
    2,929.38x = 4,043.58 × 1,811.18
  4. Step 4: Simplify right side
    2,929.38x = 7,323,651.22
  5. Step 5: Solve for x
    x = 7,323,651.22/2,929.38
  6. Step 6: Final answer
    x = 2,500.07

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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.