Home / 2,931.16-4,042.10-2,512.94

Finding the Fourth Proportional to 2,931.16, 4,042.10 and 2,512.94

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Solution

The fourth proportional to 2,931.16, 4,042.10 and 2,512.94 is: 3,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.16 : 4,042.10 = 2,512.94 : x
  2. Step 2: Convert to fraction form
    2,931.16/4,042.10 = 2,512.94/x
  3. Step 3: Cross multiply
    2,931.16x = 4,042.10 × 2,512.94
  4. Step 4: Simplify right side
    2,931.16x = 10,157,554.77
  5. Step 5: Solve for x
    x = 10,157,554.77/2,931.16
  6. Step 6: Final answer
    x = 3,465.37

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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.