Home / 3,430.08-5,146.00-1,090.13

Finding the Fourth Proportional to 3,430.08, 5,146.00 and 1,090.13

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Solution

The fourth proportional to 3,430.08, 5,146.00 and 1,090.13 is: 1,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.08 : 5,146.00 = 1,090.13 : x
  2. Step 2: Convert to fraction form
    3,430.08/5,146.00 = 1,090.13/x
  3. Step 3: Cross multiply
    3,430.08x = 5,146.00 × 1,090.13
  4. Step 4: Simplify right side
    3,430.08x = 5,609,780.52
  5. Step 5: Solve for x
    x = 5,609,780.52/3,430.08
  6. Step 6: Final answer
    x = 1,635.47

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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.