Home / 2,771.08-4,155.39-1,038.49

Finding the Fourth Proportional to 2,771.08, 4,155.39 and 1,038.49

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Solution

The fourth proportional to 2,771.08, 4,155.39 and 1,038.49 is: 1,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.08 : 4,155.39 = 1,038.49 : x
  2. Step 2: Convert to fraction form
    2,771.08/4,155.39 = 1,038.49/x
  3. Step 3: Cross multiply
    2,771.08x = 4,155.39 × 1,038.49
  4. Step 4: Simplify right side
    2,771.08x = 4,315,330.96
  5. Step 5: Solve for x
    x = 4,315,330.96/2,771.08
  6. Step 6: Final answer
    x = 1,557.27

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1.5x scale

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.