Home / 4,054.20-6,081.30-1,590.78

Finding the Fourth Proportional to 4,054.20, 6,081.30 and 1,590.78

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Solution

The fourth proportional to 4,054.20, 6,081.30 and 1,590.78 is: 2,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,054.20 : 6,081.30 = 1,590.78 : x
  2. Step 2: Convert to fraction form
    4,054.20/6,081.30 = 1,590.78/x
  3. Step 3: Cross multiply
    4,054.20x = 6,081.30 × 1,590.78
  4. Step 4: Simplify right side
    4,054.20x = 9,674,010.41
  5. Step 5: Solve for x
    x = 9,674,010.41/4,054.20
  6. Step 6: Final answer
    x = 2,386.17

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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.