Home / 2,533.50-3,797.40-1,915.20

Finding the Fourth Proportional to 2,533.50, 3,797.40 and 1,915.20

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Solution

The fourth proportional to 2,533.50, 3,797.40 and 1,915.20 is: 2,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,533.50 : 3,797.40 = 1,915.20 : x
  2. Step 2: Convert to fraction form
    2,533.50/3,797.40 = 1,915.20/x
  3. Step 3: Cross multiply
    2,533.50x = 3,797.40 × 1,915.20
  4. Step 4: Simplify right side
    2,533.50x = 7,272,780.48
  5. Step 5: Solve for x
    x = 7,272,780.48/2,533.50
  6. Step 6: Final answer
    x = 2,870.65

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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.