Home / 2,918.16-4,014.72-2,543.28

Finding the Fourth Proportional to 2,918.16, 4,014.72 and 2,543.28

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Solution

The fourth proportional to 2,918.16, 4,014.72 and 2,543.28 is: 3,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.16 : 4,014.72 = 2,543.28 : x
  2. Step 2: Convert to fraction form
    2,918.16/4,014.72 = 2,543.28/x
  3. Step 3: Cross multiply
    2,918.16x = 4,014.72 × 2,543.28
  4. Step 4: Simplify right side
    2,918.16x = 10,210,557.08
  5. Step 5: Solve for x
    x = 10,210,557.08/2,918.16
  6. Step 6: Final answer
    x = 3,498.97

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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.