Home / 2,878.13-4,316.54-1,397.30

Finding the Fourth Proportional to 2,878.13, 4,316.54 and 1,397.30

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Solution

The fourth proportional to 2,878.13, 4,316.54 and 1,397.30 is: 2,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.13 : 4,316.54 = 1,397.30 : x
  2. Step 2: Convert to fraction form
    2,878.13/4,316.54 = 1,397.30/x
  3. Step 3: Cross multiply
    2,878.13x = 4,316.54 × 1,397.30
  4. Step 4: Simplify right side
    2,878.13x = 6,031,504.91
  5. Step 5: Solve for x
    x = 6,031,504.91/2,878.13
  6. Step 6: Final answer
    x = 2,095.63

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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.