Home / 1,159.02-1,727.34-1,157.22

Finding the Fourth Proportional to 1,159.02, 1,727.34 and 1,157.22

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Solution

The fourth proportional to 1,159.02, 1,727.34 and 1,157.22 is: 1,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.02 : 1,727.34 = 1,157.22 : x
  2. Step 2: Convert to fraction form
    1,159.02/1,727.34 = 1,157.22/x
  3. Step 3: Cross multiply
    1,159.02x = 1,727.34 × 1,157.22
  4. Step 4: Simplify right side
    1,159.02x = 1,998,912.39
  5. Step 5: Solve for x
    x = 1,998,912.39/1,159.02
  6. Step 6: Final answer
    x = 1,724.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.