Home / 2,672.19-4,005.45-1,210.14

Finding the Fourth Proportional to 2,672.19, 4,005.45 and 1,210.14

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Solution

The fourth proportional to 2,672.19, 4,005.45 and 1,210.14 is: 1,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.19 : 4,005.45 = 1,210.14 : x
  2. Step 2: Convert to fraction form
    2,672.19/4,005.45 = 1,210.14/x
  3. Step 3: Cross multiply
    2,672.19x = 4,005.45 × 1,210.14
  4. Step 4: Simplify right side
    2,672.19x = 4,847,155.26
  5. Step 5: Solve for x
    x = 4,847,155.26/2,672.19
  6. Step 6: Final answer
    x = 1,813.93

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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.