Home / 2,064.13-2,847.81-1,224.88

Finding the Fourth Proportional to 2,064.13, 2,847.81 and 1,224.88

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Solution

The fourth proportional to 2,064.13, 2,847.81 and 1,224.88 is: 1,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.13 : 2,847.81 = 1,224.88 : x
  2. Step 2: Convert to fraction form
    2,064.13/2,847.81 = 1,224.88/x
  3. Step 3: Cross multiply
    2,064.13x = 2,847.81 × 1,224.88
  4. Step 4: Simplify right side
    2,064.13x = 3,488,225.51
  5. Step 5: Solve for x
    x = 3,488,225.51/2,064.13
  6. Step 6: Final answer
    x = 1,689.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.