Home / 2,876.38-4,316.20-1,210.34

Finding the Fourth Proportional to 2,876.38, 4,316.20 and 1,210.34

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Solution

The fourth proportional to 2,876.38, 4,316.20 and 1,210.34 is: 1,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.38 : 4,316.20 = 1,210.34 : x
  2. Step 2: Convert to fraction form
    2,876.38/4,316.20 = 1,210.34/x
  3. Step 3: Cross multiply
    2,876.38x = 4,316.20 × 1,210.34
  4. Step 4: Simplify right side
    2,876.38x = 5,224,069.51
  5. Step 5: Solve for x
    x = 5,224,069.51/2,876.38
  6. Step 6: Final answer
    x = 1,816.20

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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.