Home / 3,870.15-5,801.26-1,529.21

Finding the Fourth Proportional to 3,870.15, 5,801.26 and 1,529.21

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Solution

The fourth proportional to 3,870.15, 5,801.26 and 1,529.21 is: 2,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.15 : 5,801.26 = 1,529.21 : x
  2. Step 2: Convert to fraction form
    3,870.15/5,801.26 = 1,529.21/x
  3. Step 3: Cross multiply
    3,870.15x = 5,801.26 × 1,529.21
  4. Step 4: Simplify right side
    3,870.15x = 8,871,326.48
  5. Step 5: Solve for x
    x = 8,871,326.48/3,870.15
  6. Step 6: Final answer
    x = 2,292.24

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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.