Home / 1,647.45-2,476.40-1,533.38

Finding the Fourth Proportional to 1,647.45, 2,476.40 and 1,533.38

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Solution

The fourth proportional to 1,647.45, 2,476.40 and 1,533.38 is: 2,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.45 : 2,476.40 = 1,533.38 : x
  2. Step 2: Convert to fraction form
    1,647.45/2,476.40 = 1,533.38/x
  3. Step 3: Cross multiply
    1,647.45x = 2,476.40 × 1,533.38
  4. Step 4: Simplify right side
    1,647.45x = 3,797,242.18
  5. Step 5: Solve for x
    x = 3,797,242.18/1,647.45
  6. Step 6: Final answer
    x = 2,304.92

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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.