Home / 2,921.43-4,031.67-1,595.07

Finding the Fourth Proportional to 2,921.43, 4,031.67 and 1,595.07

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Solution

The fourth proportional to 2,921.43, 4,031.67 and 1,595.07 is: 2,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.43 : 4,031.67 = 1,595.07 : x
  2. Step 2: Convert to fraction form
    2,921.43/4,031.67 = 1,595.07/x
  3. Step 3: Cross multiply
    2,921.43x = 4,031.67 × 1,595.07
  4. Step 4: Simplify right side
    2,921.43x = 6,430,795.87
  5. Step 5: Solve for x
    x = 6,430,795.87/2,921.43
  6. Step 6: Final answer
    x = 2,201.25

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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.