Home / 2,170.46-2,995.14-1,384.76

Finding the Fourth Proportional to 2,170.46, 2,995.14 and 1,384.76

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Solution

The fourth proportional to 2,170.46, 2,995.14 and 1,384.76 is: 1,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.46 : 2,995.14 = 1,384.76 : x
  2. Step 2: Convert to fraction form
    2,170.46/2,995.14 = 1,384.76/x
  3. Step 3: Cross multiply
    2,170.46x = 2,995.14 × 1,384.76
  4. Step 4: Simplify right side
    2,170.46x = 4,147,550.07
  5. Step 5: Solve for x
    x = 4,147,550.07/2,170.46
  6. Step 6: Final answer
    x = 1,910.91

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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.