Home / 3,465.18-5,199.52-1,386.62

Finding the Fourth Proportional to 3,465.18, 5,199.52 and 1,386.62

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Solution

The fourth proportional to 3,465.18, 5,199.52 and 1,386.62 is: 2,080.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.18 : 5,199.52 = 1,386.62 : x
  2. Step 2: Convert to fraction form
    3,465.18/5,199.52 = 1,386.62/x
  3. Step 3: Cross multiply
    3,465.18x = 5,199.52 × 1,386.62
  4. Step 4: Simplify right side
    3,465.18x = 7,209,747.16
  5. Step 5: Solve for x
    x = 7,209,747.16/3,465.18
  6. Step 6: Final answer
    x = 2,080.63

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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.