Home / 1,782.24-2,671.94-904.28

Finding the Fourth Proportional to 1,782.24, 2,671.94 and 904.28

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Solution

The fourth proportional to 1,782.24, 2,671.94 and 904.28 is: 1,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.24 : 2,671.94 = 904.28 : x
  2. Step 2: Convert to fraction form
    1,782.24/2,671.94 = 904.28/x
  3. Step 3: Cross multiply
    1,782.24x = 2,671.94 × 904.28
  4. Step 4: Simplify right side
    1,782.24x = 2,416,181.90
  5. Step 5: Solve for x
    x = 2,416,181.90/1,782.24
  6. Step 6: Final answer
    x = 1,355.70

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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.