Home / 3,501.90-4,832.57-1,929.96

Finding the Fourth Proportional to 3,501.90, 4,832.57 and 1,929.96

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Solution

The fourth proportional to 3,501.90, 4,832.57 and 1,929.96 is: 2,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.90 : 4,832.57 = 1,929.96 : x
  2. Step 2: Convert to fraction form
    3,501.90/4,832.57 = 1,929.96/x
  3. Step 3: Cross multiply
    3,501.90x = 4,832.57 × 1,929.96
  4. Step 4: Simplify right side
    3,501.90x = 9,326,657.15
  5. Step 5: Solve for x
    x = 9,326,657.15/3,501.90
  6. Step 6: Final answer
    x = 2,663.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.