Home / 1,462.02-2,190.96-730.56

Finding the Fourth Proportional to 1,462.02, 2,190.96 and 730.56

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Solution

The fourth proportional to 1,462.02, 2,190.96 and 730.56 is: 1,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.02 : 2,190.96 = 730.56 : x
  2. Step 2: Convert to fraction form
    1,462.02/2,190.96 = 730.56/x
  3. Step 3: Cross multiply
    1,462.02x = 2,190.96 × 730.56
  4. Step 4: Simplify right side
    1,462.02x = 1,600,627.74
  5. Step 5: Solve for x
    x = 1,600,627.74/1,462.02
  6. Step 6: Final answer
    x = 1,094.81

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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.