Home / 2,826.16-4,239.88-1,095.28

Finding the Fourth Proportional to 2,826.16, 4,239.88 and 1,095.28

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Solution

The fourth proportional to 2,826.16, 4,239.88 and 1,095.28 is: 1,643.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.16 : 4,239.88 = 1,095.28 : x
  2. Step 2: Convert to fraction form
    2,826.16/4,239.88 = 1,095.28/x
  3. Step 3: Cross multiply
    2,826.16x = 4,239.88 × 1,095.28
  4. Step 4: Simplify right side
    2,826.16x = 4,643,855.77
  5. Step 5: Solve for x
    x = 4,643,855.77/2,826.16
  6. Step 6: Final answer
    x = 1,643.17

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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.