Home / 3,681.72-5,075.01-2,500.74

Finding the Fourth Proportional to 3,681.72, 5,075.01 and 2,500.74

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Solution

The fourth proportional to 3,681.72, 5,075.01 and 2,500.74 is: 3,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.72 : 5,075.01 = 2,500.74 : x
  2. Step 2: Convert to fraction form
    3,681.72/5,075.01 = 2,500.74/x
  3. Step 3: Cross multiply
    3,681.72x = 5,075.01 × 2,500.74
  4. Step 4: Simplify right side
    3,681.72x = 12,691,280.51
  5. Step 5: Solve for x
    x = 12,691,280.51/3,681.72
  6. Step 6: Final answer
    x = 3,447.11

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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.