Home / 1,340.08-2,010.62-929.00

Finding the Fourth Proportional to 1,340.08, 2,010.62 and 929.00

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Solution

The fourth proportional to 1,340.08, 2,010.62 and 929.00 is: 1,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.08 : 2,010.62 = 929.00 : x
  2. Step 2: Convert to fraction form
    1,340.08/2,010.62 = 929.00/x
  3. Step 3: Cross multiply
    1,340.08x = 2,010.62 × 929.00
  4. Step 4: Simplify right side
    1,340.08x = 1,867,873.33
  5. Step 5: Solve for x
    x = 1,867,873.33/1,340.08
  6. Step 6: Final answer
    x = 1,393.85

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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.