Home / 1,915.02-2,627.24-1,822.07

Finding the Fourth Proportional to 1,915.02, 2,627.24 and 1,822.07

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Solution

The fourth proportional to 1,915.02, 2,627.24 and 1,822.07 is: 2,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915.02 : 2,627.24 = 1,822.07 : x
  2. Step 2: Convert to fraction form
    1,915.02/2,627.24 = 1,822.07/x
  3. Step 3: Cross multiply
    1,915.02x = 2,627.24 × 1,822.07
  4. Step 4: Simplify right side
    1,915.02x = 4,787,015.19
  5. Step 5: Solve for x
    x = 4,787,015.19/1,915.02
  6. Step 6: Final answer
    x = 2,499.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.