Home / 1,163.17-1,742.46-701.07

Finding the Fourth Proportional to 1,163.17, 1,742.46 and 701.07

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Solution

The fourth proportional to 1,163.17, 1,742.46 and 701.07 is: 1,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.17 : 1,742.46 = 701.07 : x
  2. Step 2: Convert to fraction form
    1,163.17/1,742.46 = 701.07/x
  3. Step 3: Cross multiply
    1,163.17x = 1,742.46 × 701.07
  4. Step 4: Simplify right side
    1,163.17x = 1,221,582.93
  5. Step 5: Solve for x
    x = 1,221,582.93/1,163.17
  6. Step 6: Final answer
    x = 1,050.22

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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.