Home / 2,688.83-4,033.23-1,764.17

Finding the Fourth Proportional to 2,688.83, 4,033.23 and 1,764.17

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Solution

The fourth proportional to 2,688.83, 4,033.23 and 1,764.17 is: 2,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.83 : 4,033.23 = 1,764.17 : x
  2. Step 2: Convert to fraction form
    2,688.83/4,033.23 = 1,764.17/x
  3. Step 3: Cross multiply
    2,688.83x = 4,033.23 × 1,764.17
  4. Step 4: Simplify right side
    2,688.83x = 7,115,287.61
  5. Step 5: Solve for x
    x = 7,115,287.61/2,688.83
  6. Step 6: Final answer
    x = 2,646.24

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1.5x scale

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.