Home / 2,442.78-3,368.76-1,603.14

Finding the Fourth Proportional to 2,442.78, 3,368.76 and 1,603.14

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Solution

The fourth proportional to 2,442.78, 3,368.76 and 1,603.14 is: 2,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.78 : 3,368.76 = 1,603.14 : x
  2. Step 2: Convert to fraction form
    2,442.78/3,368.76 = 1,603.14/x
  3. Step 3: Cross multiply
    2,442.78x = 3,368.76 × 1,603.14
  4. Step 4: Simplify right side
    2,442.78x = 5,400,593.91
  5. Step 5: Solve for x
    x = 5,400,593.91/2,442.78
  6. Step 6: Final answer
    x = 2,210.84

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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.