Home / 1,775.39-2,448.24-1,442.48

Finding the Fourth Proportional to 1,775.39, 2,448.24 and 1,442.48

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Solution

The fourth proportional to 1,775.39, 2,448.24 and 1,442.48 is: 1,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.39 : 2,448.24 = 1,442.48 : x
  2. Step 2: Convert to fraction form
    1,775.39/2,448.24 = 1,442.48/x
  3. Step 3: Cross multiply
    1,775.39x = 2,448.24 × 1,442.48
  4. Step 4: Simplify right side
    1,775.39x = 3,531,537.24
  5. Step 5: Solve for x
    x = 3,531,537.24/1,775.39
  6. Step 6: Final answer
    x = 1,989.16

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1.5x scale

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.