Home / 3,929.31-5,895.06-1,590.96

Finding the Fourth Proportional to 3,929.31, 5,895.06 and 1,590.96

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Solution

The fourth proportional to 3,929.31, 5,895.06 and 1,590.96 is: 2,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.31 : 5,895.06 = 1,590.96 : x
  2. Step 2: Convert to fraction form
    3,929.31/5,895.06 = 1,590.96/x
  3. Step 3: Cross multiply
    3,929.31x = 5,895.06 × 1,590.96
  4. Step 4: Simplify right side
    3,929.31x = 9,378,804.66
  5. Step 5: Solve for x
    x = 9,378,804.66/3,929.31
  6. Step 6: Final answer
    x = 2,386.88

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1.5x scale

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.