Home / 2,284.06-3,420.60-1,307.20

Finding the Fourth Proportional to 2,284.06, 3,420.60 and 1,307.20

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Solution

The fourth proportional to 2,284.06, 3,420.60 and 1,307.20 is: 1,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.06 : 3,420.60 = 1,307.20 : x
  2. Step 2: Convert to fraction form
    2,284.06/3,420.60 = 1,307.20/x
  3. Step 3: Cross multiply
    2,284.06x = 3,420.60 × 1,307.20
  4. Step 4: Simplify right side
    2,284.06x = 4,471,408.32
  5. Step 5: Solve for x
    x = 4,471,408.32/2,284.06
  6. Step 6: Final answer
    x = 1,957.66

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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.