Home / 3,154.44-4,355.28-2,038.08

Finding the Fourth Proportional to 3,154.44, 4,355.28 and 2,038.08

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Solution

The fourth proportional to 3,154.44, 4,355.28 and 2,038.08 is: 2,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.44 : 4,355.28 = 2,038.08 : x
  2. Step 2: Convert to fraction form
    3,154.44/4,355.28 = 2,038.08/x
  3. Step 3: Cross multiply
    3,154.44x = 4,355.28 × 2,038.08
  4. Step 4: Simplify right side
    3,154.44x = 8,876,409.06
  5. Step 5: Solve for x
    x = 8,876,409.06/3,154.44
  6. Step 6: Final answer
    x = 2,813.94

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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.