Home / 1,670.24-2,305.92-1,050.08

Finding the Fourth Proportional to 1,670.24, 2,305.92 and 1,050.08

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Solution

The fourth proportional to 1,670.24, 2,305.92 and 1,050.08 is: 1,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.24 : 2,305.92 = 1,050.08 : x
  2. Step 2: Convert to fraction form
    1,670.24/2,305.92 = 1,050.08/x
  3. Step 3: Cross multiply
    1,670.24x = 2,305.92 × 1,050.08
  4. Step 4: Simplify right side
    1,670.24x = 2,421,400.47
  5. Step 5: Solve for x
    x = 2,421,400.47/1,670.24
  6. Step 6: Final answer
    x = 1,449.73

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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.