Home / 3,127.47-4,315.35-1,801.27

Finding the Fourth Proportional to 3,127.47, 4,315.35 and 1,801.27

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Solution

The fourth proportional to 3,127.47, 4,315.35 and 1,801.27 is: 2,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.47 : 4,315.35 = 1,801.27 : x
  2. Step 2: Convert to fraction form
    3,127.47/4,315.35 = 1,801.27/x
  3. Step 3: Cross multiply
    3,127.47x = 4,315.35 × 1,801.27
  4. Step 4: Simplify right side
    3,127.47x = 7,773,110.49
  5. Step 5: Solve for x
    x = 7,773,110.49/3,127.47
  6. Step 6: Final answer
    x = 2,485.43

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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.