Home / 2,869.56-4,302.90-1,225.14

Finding the Fourth Proportional to 2,869.56, 4,302.90 and 1,225.14

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Solution

The fourth proportional to 2,869.56, 4,302.90 and 1,225.14 is: 1,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.56 : 4,302.90 = 1,225.14 : x
  2. Step 2: Convert to fraction form
    2,869.56/4,302.90 = 1,225.14/x
  3. Step 3: Cross multiply
    2,869.56x = 4,302.90 × 1,225.14
  4. Step 4: Simplify right side
    2,869.56x = 5,271,654.91
  5. Step 5: Solve for x
    x = 5,271,654.91/2,869.56
  6. Step 6: Final answer
    x = 1,837.10

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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.