Home / 3,915.81-5,875.40-2,600.03

Finding the Fourth Proportional to 3,915.81, 5,875.40 and 2,600.03

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Solution

The fourth proportional to 3,915.81, 5,875.40 and 2,600.03 is: 3,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.81 : 5,875.40 = 2,600.03 : x
  2. Step 2: Convert to fraction form
    3,915.81/5,875.40 = 2,600.03/x
  3. Step 3: Cross multiply
    3,915.81x = 5,875.40 × 2,600.03
  4. Step 4: Simplify right side
    3,915.81x = 15,276,173.88
  5. Step 5: Solve for x
    x = 15,276,173.88/3,915.81
  6. Step 6: Final answer
    x = 3,901.15

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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.