Home / 2,166.48-3,246.93-1,386.18

Finding the Fourth Proportional to 2,166.48, 3,246.93 and 1,386.18

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Solution

The fourth proportional to 2,166.48, 3,246.93 and 1,386.18 is: 2,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.48 : 3,246.93 = 1,386.18 : x
  2. Step 2: Convert to fraction form
    2,166.48/3,246.93 = 1,386.18/x
  3. Step 3: Cross multiply
    2,166.48x = 3,246.93 × 1,386.18
  4. Step 4: Simplify right side
    2,166.48x = 4,500,829.43
  5. Step 5: Solve for x
    x = 4,500,829.43/2,166.48
  6. Step 6: Final answer
    x = 2,077.48

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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.