Home / 2,971.41-4,457.51-1,389.03

Finding the Fourth Proportional to 2,971.41, 4,457.51 and 1,389.03

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Solution

The fourth proportional to 2,971.41, 4,457.51 and 1,389.03 is: 2,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.41 : 4,457.51 = 1,389.03 : x
  2. Step 2: Convert to fraction form
    2,971.41/4,457.51 = 1,389.03/x
  3. Step 3: Cross multiply
    2,971.41x = 4,457.51 × 1,389.03
  4. Step 4: Simplify right side
    2,971.41x = 6,191,608.17
  5. Step 5: Solve for x
    x = 6,191,608.17/2,971.41
  6. Step 6: Final answer
    x = 2,083.73

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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.