Home / 2,170.32-2,994.22-1,604.51

Finding the Fourth Proportional to 2,170.32, 2,994.22 and 1,604.51

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Solution

The fourth proportional to 2,170.32, 2,994.22 and 1,604.51 is: 2,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.32 : 2,994.22 = 1,604.51 : x
  2. Step 2: Convert to fraction form
    2,170.32/2,994.22 = 1,604.51/x
  3. Step 3: Cross multiply
    2,170.32x = 2,994.22 × 1,604.51
  4. Step 4: Simplify right side
    2,170.32x = 4,804,247.91
  5. Step 5: Solve for x
    x = 4,804,247.91/2,170.32
  6. Step 6: Final answer
    x = 2,213.61

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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.