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Finding the Fourth Proportional to 3,363.93, 4,642.02 and 1,871.64

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Solution

The fourth proportional to 3,363.93, 4,642.02 and 1,871.64 is: 2,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.93 : 4,642.02 = 1,871.64 : x
  2. Step 2: Convert to fraction form
    3,363.93/4,642.02 = 1,871.64/x
  3. Step 3: Cross multiply
    3,363.93x = 4,642.02 × 1,871.64
  4. Step 4: Simplify right side
    3,363.93x = 8,688,190.31
  5. Step 5: Solve for x
    x = 8,688,190.31/3,363.93
  6. Step 6: Final answer
    x = 2,582.75

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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.