Home / 3,742.02-5,609.70-1,890.54

Finding the Fourth Proportional to 3,742.02, 5,609.70 and 1,890.54

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Solution

The fourth proportional to 3,742.02, 5,609.70 and 1,890.54 is: 2,834.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.02 : 5,609.70 = 1,890.54 : x
  2. Step 2: Convert to fraction form
    3,742.02/5,609.70 = 1,890.54/x
  3. Step 3: Cross multiply
    3,742.02x = 5,609.70 × 1,890.54
  4. Step 4: Simplify right side
    3,742.02x = 10,605,362.24
  5. Step 5: Solve for x
    x = 10,605,362.24/3,742.02
  6. Step 6: Final answer
    x = 2,834.13

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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.