Home / 2,453.81-3,665.08-2,125.76

Finding the Fourth Proportional to 2,453.81, 3,665.08 and 2,125.76

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Solution

The fourth proportional to 2,453.81, 3,665.08 and 2,125.76 is: 3,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.81 : 3,665.08 = 2,125.76 : x
  2. Step 2: Convert to fraction form
    2,453.81/3,665.08 = 2,125.76/x
  3. Step 3: Cross multiply
    2,453.81x = 3,665.08 × 2,125.76
  4. Step 4: Simplify right side
    2,453.81x = 7,791,084.31
  5. Step 5: Solve for x
    x = 7,791,084.31/2,453.81
  6. Step 6: Final answer
    x = 3,175.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.