Home / 3,007.12-4,499.34-1,775.20

Finding the Fourth Proportional to 3,007.12, 4,499.34 and 1,775.20

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Solution

The fourth proportional to 3,007.12, 4,499.34 and 1,775.20 is: 2,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.12 : 4,499.34 = 1,775.20 : x
  2. Step 2: Convert to fraction form
    3,007.12/4,499.34 = 1,775.20/x
  3. Step 3: Cross multiply
    3,007.12x = 4,499.34 × 1,775.20
  4. Step 4: Simplify right side
    3,007.12x = 7,987,228.37
  5. Step 5: Solve for x
    x = 7,987,228.37/3,007.12
  6. Step 6: Final answer
    x = 2,656.11

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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.