Home / 1,420.94-2,132.93-1,202.58

Finding the Fourth Proportional to 1,420.94, 2,132.93 and 1,202.58

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Solution

The fourth proportional to 1,420.94, 2,132.93 and 1,202.58 is: 1,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420.94 : 2,132.93 = 1,202.58 : x
  2. Step 2: Convert to fraction form
    1,420.94/2,132.93 = 1,202.58/x
  3. Step 3: Cross multiply
    1,420.94x = 2,132.93 × 1,202.58
  4. Step 4: Simplify right side
    1,420.94x = 2,565,018.96
  5. Step 5: Solve for x
    x = 2,565,018.96/1,420.94
  6. Step 6: Final answer
    x = 1,805.16

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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.