Home / 2,921.24-4,032.21-1,873.28

Finding the Fourth Proportional to 2,921.24, 4,032.21 and 1,873.28

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Solution

The fourth proportional to 2,921.24, 4,032.21 and 1,873.28 is: 2,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.24 : 4,032.21 = 1,873.28 : x
  2. Step 2: Convert to fraction form
    2,921.24/4,032.21 = 1,873.28/x
  3. Step 3: Cross multiply
    2,921.24x = 4,032.21 × 1,873.28
  4. Step 4: Simplify right side
    2,921.24x = 7,553,458.35
  5. Step 5: Solve for x
    x = 7,553,458.35/2,921.24
  6. Step 6: Final answer
    x = 2,585.70

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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.