Home / 2,230.83-3,347.40-1,619.58

Finding the Fourth Proportional to 2,230.83, 3,347.40 and 1,619.58

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Solution

The fourth proportional to 2,230.83, 3,347.40 and 1,619.58 is: 2,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.83 : 3,347.40 = 1,619.58 : x
  2. Step 2: Convert to fraction form
    2,230.83/3,347.40 = 1,619.58/x
  3. Step 3: Cross multiply
    2,230.83x = 3,347.40 × 1,619.58
  4. Step 4: Simplify right side
    2,230.83x = 5,421,382.09
  5. Step 5: Solve for x
    x = 5,421,382.09/2,230.83
  6. Step 6: Final answer
    x = 2,430.21

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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.