Home / 2,802.36-4,218.15-2,379.54

Finding the Fourth Proportional to 2,802.36, 4,218.15 and 2,379.54

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Solution

The fourth proportional to 2,802.36, 4,218.15 and 2,379.54 is: 3,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.36 : 4,218.15 = 2,379.54 : x
  2. Step 2: Convert to fraction form
    2,802.36/4,218.15 = 2,379.54/x
  3. Step 3: Cross multiply
    2,802.36x = 4,218.15 × 2,379.54
  4. Step 4: Simplify right side
    2,802.36x = 10,037,256.65
  5. Step 5: Solve for x
    x = 10,037,256.65/2,802.36
  6. Step 6: Final answer
    x = 3,581.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.