Home / 2,485.84-3,726.60-1,252.21

Finding the Fourth Proportional to 2,485.84, 3,726.60 and 1,252.21

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Solution

The fourth proportional to 2,485.84, 3,726.60 and 1,252.21 is: 1,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.84 : 3,726.60 = 1,252.21 : x
  2. Step 2: Convert to fraction form
    2,485.84/3,726.60 = 1,252.21/x
  3. Step 3: Cross multiply
    2,485.84x = 3,726.60 × 1,252.21
  4. Step 4: Simplify right side
    2,485.84x = 4,666,485.79
  5. Step 5: Solve for x
    x = 4,666,485.79/2,485.84
  6. Step 6: Final answer
    x = 1,877.23

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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.