Home / 2,127.01-3,191.19-740.29

Finding the Fourth Proportional to 2,127.01, 3,191.19 and 740.29

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Solution

The fourth proportional to 2,127.01, 3,191.19 and 740.29 is: 1,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.01 : 3,191.19 = 740.29 : x
  2. Step 2: Convert to fraction form
    2,127.01/3,191.19 = 740.29/x
  3. Step 3: Cross multiply
    2,127.01x = 3,191.19 × 740.29
  4. Step 4: Simplify right side
    2,127.01x = 2,362,406.05
  5. Step 5: Solve for x
    x = 2,362,406.05/2,127.01
  6. Step 6: Final answer
    x = 1,110.67

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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.