Home / 1,548.90-2,321.57-623.87

Finding the Fourth Proportional to 1,548.90, 2,321.57 and 623.87

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Solution

The fourth proportional to 1,548.90, 2,321.57 and 623.87 is: 935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.90 : 2,321.57 = 623.87 : x
  2. Step 2: Convert to fraction form
    1,548.90/2,321.57 = 623.87/x
  3. Step 3: Cross multiply
    1,548.90x = 2,321.57 × 623.87
  4. Step 4: Simplify right side
    1,548.90x = 1,448,343.15
  5. Step 5: Solve for x
    x = 1,448,343.15/1,548.90
  6. Step 6: Final answer
    x = 935.08

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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.