Home / 1,548.10-2,320.35-623.20

Finding the Fourth Proportional to 1,548.10, 2,320.35 and 623.20

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Solution

The fourth proportional to 1,548.10, 2,320.35 and 623.20 is: 934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.10 : 2,320.35 = 623.20 : x
  2. Step 2: Convert to fraction form
    1,548.10/2,320.35 = 623.20/x
  3. Step 3: Cross multiply
    1,548.10x = 2,320.35 × 623.20
  4. Step 4: Simplify right side
    1,548.10x = 1,446,042.12
  5. Step 5: Solve for x
    x = 1,446,042.12/1,548.10
  6. Step 6: Final answer
    x = 934.08

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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.