Home / 2,971.52-4,457.32-1,328.16

Finding the Fourth Proportional to 2,971.52, 4,457.32 and 1,328.16

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Solution

The fourth proportional to 2,971.52, 4,457.32 and 1,328.16 is: 1,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.52 : 4,457.32 = 1,328.16 : x
  2. Step 2: Convert to fraction form
    2,971.52/4,457.32 = 1,328.16/x
  3. Step 3: Cross multiply
    2,971.52x = 4,457.32 × 1,328.16
  4. Step 4: Simplify right side
    2,971.52x = 5,920,034.13
  5. Step 5: Solve for x
    x = 5,920,034.13/2,971.52
  6. Step 6: Final answer
    x = 1,992.26

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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.