Home / 3,511.10-5,266.65-1,430.66

Finding the Fourth Proportional to 3,511.10, 5,266.65 and 1,430.66

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Solution

The fourth proportional to 3,511.10, 5,266.65 and 1,430.66 is: 2,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.10 : 5,266.65 = 1,430.66 : x
  2. Step 2: Convert to fraction form
    3,511.10/5,266.65 = 1,430.66/x
  3. Step 3: Cross multiply
    3,511.10x = 5,266.65 × 1,430.66
  4. Step 4: Simplify right side
    3,511.10x = 7,534,759.16
  5. Step 5: Solve for x
    x = 7,534,759.16/3,511.10
  6. Step 6: Final answer
    x = 2,145.98

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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.