Home / 3,137.27-4,327.55-2,075.06

Finding the Fourth Proportional to 3,137.27, 4,327.55 and 2,075.06

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Solution

The fourth proportional to 3,137.27, 4,327.55 and 2,075.06 is: 2,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.27 : 4,327.55 = 2,075.06 : x
  2. Step 2: Convert to fraction form
    3,137.27/4,327.55 = 2,075.06/x
  3. Step 3: Cross multiply
    3,137.27x = 4,327.55 × 2,075.06
  4. Step 4: Simplify right side
    3,137.27x = 8,979,925.90
  5. Step 5: Solve for x
    x = 8,979,925.90/3,137.27
  6. Step 6: Final answer
    x = 2,862.34

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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.