Home / 2,875.43-4,313.22-927.63

Finding the Fourth Proportional to 2,875.43, 4,313.22 and 927.63

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Solution

The fourth proportional to 2,875.43, 4,313.22 and 927.63 is: 1,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.43 : 4,313.22 = 927.63 : x
  2. Step 2: Convert to fraction form
    2,875.43/4,313.22 = 927.63/x
  3. Step 3: Cross multiply
    2,875.43x = 4,313.22 × 927.63
  4. Step 4: Simplify right side
    2,875.43x = 4,001,072.27
  5. Step 5: Solve for x
    x = 4,001,072.27/2,875.43
  6. Step 6: Final answer
    x = 1,391.47

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1.5x scale

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.