Home / 2,925.72-4,389.19-1,538.29

Finding the Fourth Proportional to 2,925.72, 4,389.19 and 1,538.29

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Solution

The fourth proportional to 2,925.72, 4,389.19 and 1,538.29 is: 2,307.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.72 : 4,389.19 = 1,538.29 : x
  2. Step 2: Convert to fraction form
    2,925.72/4,389.19 = 1,538.29/x
  3. Step 3: Cross multiply
    2,925.72x = 4,389.19 × 1,538.29
  4. Step 4: Simplify right side
    2,925.72x = 6,751,848.73
  5. Step 5: Solve for x
    x = 6,751,848.73/2,925.72
  6. Step 6: Final answer
    x = 2,307.76

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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.