Home / 2,971.45-4,457.10-1,723.91

Finding the Fourth Proportional to 2,971.45, 4,457.10 and 1,723.91

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Solution

The fourth proportional to 2,971.45, 4,457.10 and 1,723.91 is: 2,585.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.45 : 4,457.10 = 1,723.91 : x
  2. Step 2: Convert to fraction form
    2,971.45/4,457.10 = 1,723.91/x
  3. Step 3: Cross multiply
    2,971.45x = 4,457.10 × 1,723.91
  4. Step 4: Simplify right side
    2,971.45x = 7,683,623.44
  5. Step 5: Solve for x
    x = 7,683,623.44/2,971.45
  6. Step 6: Final answer
    x = 2,585.82

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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.