Home / 1,629.32-2,442.90-1,051.88

Finding the Fourth Proportional to 1,629.32, 2,442.90 and 1,051.88

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Solution

The fourth proportional to 1,629.32, 2,442.90 and 1,051.88 is: 1,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.32 : 2,442.90 = 1,051.88 : x
  2. Step 2: Convert to fraction form
    1,629.32/2,442.90 = 1,051.88/x
  3. Step 3: Cross multiply
    1,629.32x = 2,442.90 × 1,051.88
  4. Step 4: Simplify right side
    1,629.32x = 2,569,637.65
  5. Step 5: Solve for x
    x = 2,569,637.65/1,629.32
  6. Step 6: Final answer
    x = 1,577.12

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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.