Home / 1,405.02-2,106.96-582.73

Finding the Fourth Proportional to 1,405.02, 2,106.96 and 582.73

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Solution

The fourth proportional to 1,405.02, 2,106.96 and 582.73 is: 873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405.02 : 2,106.96 = 582.73 : x
  2. Step 2: Convert to fraction form
    1,405.02/2,106.96 = 582.73/x
  3. Step 3: Cross multiply
    1,405.02x = 2,106.96 × 582.73
  4. Step 4: Simplify right side
    1,405.02x = 1,227,788.80
  5. Step 5: Solve for x
    x = 1,227,788.80/1,405.02
  6. Step 6: Final answer
    x = 873.86

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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.