Home / 3,230.48-4,845.02-1,039.64

Finding the Fourth Proportional to 3,230.48, 4,845.02 and 1,039.64

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Solution

The fourth proportional to 3,230.48, 4,845.02 and 1,039.64 is: 1,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.48 : 4,845.02 = 1,039.64 : x
  2. Step 2: Convert to fraction form
    3,230.48/4,845.02 = 1,039.64/x
  3. Step 3: Cross multiply
    3,230.48x = 4,845.02 × 1,039.64
  4. Step 4: Simplify right side
    3,230.48x = 5,037,047.17
  5. Step 5: Solve for x
    x = 5,037,047.17/3,230.48
  6. Step 6: Final answer
    x = 1,559.22

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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.