Home / 1,788.04-2,467.58-1,079.87

Finding the Fourth Proportional to 1,788.04, 2,467.58 and 1,079.87

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Solution

The fourth proportional to 1,788.04, 2,467.58 and 1,079.87 is: 1,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.04 : 2,467.58 = 1,079.87 : x
  2. Step 2: Convert to fraction form
    1,788.04/2,467.58 = 1,079.87/x
  3. Step 3: Cross multiply
    1,788.04x = 2,467.58 × 1,079.87
  4. Step 4: Simplify right side
    1,788.04x = 2,664,653.95
  5. Step 5: Solve for x
    x = 2,664,653.95/1,788.04
  6. Step 6: Final answer
    x = 1,490.26

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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.