Home / 3,454.12-5,176.84-1,477.42

Finding the Fourth Proportional to 3,454.12, 5,176.84 and 1,477.42

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Solution

The fourth proportional to 3,454.12, 5,176.84 and 1,477.42 is: 2,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.12 : 5,176.84 = 1,477.42 : x
  2. Step 2: Convert to fraction form
    3,454.12/5,176.84 = 1,477.42/x
  3. Step 3: Cross multiply
    3,454.12x = 5,176.84 × 1,477.42
  4. Step 4: Simplify right side
    3,454.12x = 7,648,386.36
  5. Step 5: Solve for x
    x = 7,648,386.36/3,454.12
  6. Step 6: Final answer
    x = 2,214.28

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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.