Home / 1,756.39-2,632.73-701.79

Finding the Fourth Proportional to 1,756.39, 2,632.73 and 701.79

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Solution

The fourth proportional to 1,756.39, 2,632.73 and 701.79 is: 1,051.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.39 : 2,632.73 = 701.79 : x
  2. Step 2: Convert to fraction form
    1,756.39/2,632.73 = 701.79/x
  3. Step 3: Cross multiply
    1,756.39x = 2,632.73 × 701.79
  4. Step 4: Simplify right side
    1,756.39x = 1,847,623.59
  5. Step 5: Solve for x
    x = 1,847,623.59/1,756.39
  6. Step 6: Final answer
    x = 1,051.94

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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.