Home / 1,788.07-2,467.65-1,002.16

Finding the Fourth Proportional to 1,788.07, 2,467.65 and 1,002.16

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Solution

The fourth proportional to 1,788.07, 2,467.65 and 1,002.16 is: 1,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.07 : 2,467.65 = 1,002.16 : x
  2. Step 2: Convert to fraction form
    1,788.07/2,467.65 = 1,002.16/x
  3. Step 3: Cross multiply
    1,788.07x = 2,467.65 × 1,002.16
  4. Step 4: Simplify right side
    1,788.07x = 2,472,980.12
  5. Step 5: Solve for x
    x = 2,472,980.12/1,788.07
  6. Step 6: Final answer
    x = 1,383.04

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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.