Home / 2,931.37-4,042.44-2,371.45

Finding the Fourth Proportional to 2,931.37, 4,042.44 and 2,371.45

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Solution

The fourth proportional to 2,931.37, 4,042.44 and 2,371.45 is: 3,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.37 : 4,042.44 = 2,371.45 : x
  2. Step 2: Convert to fraction form
    2,931.37/4,042.44 = 2,371.45/x
  3. Step 3: Cross multiply
    2,931.37x = 4,042.44 × 2,371.45
  4. Step 4: Simplify right side
    2,931.37x = 9,586,444.34
  5. Step 5: Solve for x
    x = 9,586,444.34/2,931.37
  6. Step 6: Final answer
    x = 3,270.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.