Home / 2,931.24-4,042.98-2,047.26

Finding the Fourth Proportional to 2,931.24, 4,042.98 and 2,047.26

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Solution

The fourth proportional to 2,931.24, 4,042.98 and 2,047.26 is: 2,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.24 : 4,042.98 = 2,047.26 : x
  2. Step 2: Convert to fraction form
    2,931.24/4,042.98 = 2,047.26/x
  3. Step 3: Cross multiply
    2,931.24x = 4,042.98 × 2,047.26
  4. Step 4: Simplify right side
    2,931.24x = 8,277,031.23
  5. Step 5: Solve for x
    x = 8,277,031.23/2,931.24
  6. Step 6: Final answer
    x = 2,823.73

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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.