Home / 2,942.01-4,054.10-2,100.35

Finding the Fourth Proportional to 2,942.01, 4,054.10 and 2,100.35

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Solution

The fourth proportional to 2,942.01, 4,054.10 and 2,100.35 is: 2,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.01 : 4,054.10 = 2,100.35 : x
  2. Step 2: Convert to fraction form
    2,942.01/4,054.10 = 2,100.35/x
  3. Step 3: Cross multiply
    2,942.01x = 4,054.10 × 2,100.35
  4. Step 4: Simplify right side
    2,942.01x = 8,514,998.16
  5. Step 5: Solve for x
    x = 8,514,998.16/2,942.01
  6. Step 6: Final answer
    x = 2,894.28

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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.