Home / 1,775.41-2,664.51-1,231.42

Finding the Fourth Proportional to 1,775.41, 2,664.51 and 1,231.42

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Solution

The fourth proportional to 1,775.41, 2,664.51 and 1,231.42 is: 1,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.41 : 2,664.51 = 1,231.42 : x
  2. Step 2: Convert to fraction form
    1,775.41/2,664.51 = 1,231.42/x
  3. Step 3: Cross multiply
    1,775.41x = 2,664.51 × 1,231.42
  4. Step 4: Simplify right side
    1,775.41x = 3,281,130.90
  5. Step 5: Solve for x
    x = 3,281,130.90/1,775.41
  6. Step 6: Final answer
    x = 1,848.10

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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.