Home / 2,289.45-3,450.30-2,070.32

Finding the Fourth Proportional to 2,289.45, 3,450.30 and 2,070.32

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Solution

The fourth proportional to 2,289.45, 3,450.30 and 2,070.32 is: 3,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.45 : 3,450.30 = 2,070.32 : x
  2. Step 2: Convert to fraction form
    2,289.45/3,450.30 = 2,070.32/x
  3. Step 3: Cross multiply
    2,289.45x = 3,450.30 × 2,070.32
  4. Step 4: Simplify right side
    2,289.45x = 7,143,225.10
  5. Step 5: Solve for x
    x = 7,143,225.10/2,289.45
  6. Step 6: Final answer
    x = 3,120.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.