Home / 2,971.36-4,457.09-1,123.35

Finding the Fourth Proportional to 2,971.36, 4,457.09 and 1,123.35

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Solution

The fourth proportional to 2,971.36, 4,457.09 and 1,123.35 is: 1,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.36 : 4,457.09 = 1,123.35 : x
  2. Step 2: Convert to fraction form
    2,971.36/4,457.09 = 1,123.35/x
  3. Step 3: Cross multiply
    2,971.36x = 4,457.09 × 1,123.35
  4. Step 4: Simplify right side
    2,971.36x = 5,006,872.05
  5. Step 5: Solve for x
    x = 5,006,872.05/2,971.36
  6. Step 6: Final answer
    x = 1,685.04

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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.