Home / 3,039.57-4,194.60-1,642.32

Finding the Fourth Proportional to 3,039.57, 4,194.60 and 1,642.32

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Solution

The fourth proportional to 3,039.57, 4,194.60 and 1,642.32 is: 2,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.57 : 4,194.60 = 1,642.32 : x
  2. Step 2: Convert to fraction form
    3,039.57/4,194.60 = 1,642.32/x
  3. Step 3: Cross multiply
    3,039.57x = 4,194.60 × 1,642.32
  4. Step 4: Simplify right side
    3,039.57x = 6,888,875.47
  5. Step 5: Solve for x
    x = 6,888,875.47/3,039.57
  6. Step 6: Final answer
    x = 2,266.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.