Home / 2,230.13-3,347.63-1,643.31

Finding the Fourth Proportional to 2,230.13, 3,347.63 and 1,643.31

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Solution

The fourth proportional to 2,230.13, 3,347.63 and 1,643.31 is: 2,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.13 : 3,347.63 = 1,643.31 : x
  2. Step 2: Convert to fraction form
    2,230.13/3,347.63 = 1,643.31/x
  3. Step 3: Cross multiply
    2,230.13x = 3,347.63 × 1,643.31
  4. Step 4: Simplify right side
    2,230.13x = 5,501,193.86
  5. Step 5: Solve for x
    x = 5,501,193.86/2,230.13
  6. Step 6: Final answer
    x = 2,466.76

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1.5x scale

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.