Home / 2,050.32-3,075.66-663.69

Finding the Fourth Proportional to 2,050.32, 3,075.66 and 663.69

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Solution

The fourth proportional to 2,050.32, 3,075.66 and 663.69 is: 995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.32 : 3,075.66 = 663.69 : x
  2. Step 2: Convert to fraction form
    2,050.32/3,075.66 = 663.69/x
  3. Step 3: Cross multiply
    2,050.32x = 3,075.66 × 663.69
  4. Step 4: Simplify right side
    2,050.32x = 2,041,284.79
  5. Step 5: Solve for x
    x = 2,041,284.79/2,050.32
  6. Step 6: Final answer
    x = 995.59

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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.