Home / 3,487.80-4,817.42-2,607.51

Finding the Fourth Proportional to 3,487.80, 4,817.42 and 2,607.51

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Solution

The fourth proportional to 3,487.80, 4,817.42 and 2,607.51 is: 3,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.80 : 4,817.42 = 2,607.51 : x
  2. Step 2: Convert to fraction form
    3,487.80/4,817.42 = 2,607.51/x
  3. Step 3: Cross multiply
    3,487.80x = 4,817.42 × 2,607.51
  4. Step 4: Simplify right side
    3,487.80x = 12,561,470.82
  5. Step 5: Solve for x
    x = 12,561,470.82/3,487.80
  6. Step 6: Final answer
    x = 3,601.55

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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.