Home / 2,864.80-4,298.40-2,048.32

Finding the Fourth Proportional to 2,864.80, 4,298.40 and 2,048.32

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Solution

The fourth proportional to 2,864.80, 4,298.40 and 2,048.32 is: 3,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.80 : 4,298.40 = 2,048.32 : x
  2. Step 2: Convert to fraction form
    2,864.80/4,298.40 = 2,048.32/x
  3. Step 3: Cross multiply
    2,864.80x = 4,298.40 × 2,048.32
  4. Step 4: Simplify right side
    2,864.80x = 8,804,498.69
  5. Step 5: Solve for x
    x = 8,804,498.69/2,864.80
  6. Step 6: Final answer
    x = 3,073.34

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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.