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Finding the Fourth Proportional to 3,435.94, 5,152.95 and 1,327.08

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Solution

The fourth proportional to 3,435.94, 5,152.95 and 1,327.08 is: 1,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.94 : 5,152.95 = 1,327.08 : x
  2. Step 2: Convert to fraction form
    3,435.94/5,152.95 = 1,327.08/x
  3. Step 3: Cross multiply
    3,435.94x = 5,152.95 × 1,327.08
  4. Step 4: Simplify right side
    3,435.94x = 6,838,393.41
  5. Step 5: Solve for x
    x = 6,838,393.41/3,435.94
  6. Step 6: Final answer
    x = 1,990.25

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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.