Home / 2,679.77-3,698.09-1,500.84

Finding the Fourth Proportional to 2,679.77, 3,698.09 and 1,500.84

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Solution

The fourth proportional to 2,679.77, 3,698.09 and 1,500.84 is: 2,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.77 : 3,698.09 = 1,500.84 : x
  2. Step 2: Convert to fraction form
    2,679.77/3,698.09 = 1,500.84/x
  3. Step 3: Cross multiply
    2,679.77x = 3,698.09 × 1,500.84
  4. Step 4: Simplify right side
    2,679.77x = 5,550,222.91
  5. Step 5: Solve for x
    x = 5,550,222.91/2,679.77
  6. Step 6: Final answer
    x = 2,071.16

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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.