Home / 1,856.08-2,560.32-1,542.88

Finding the Fourth Proportional to 1,856.08, 2,560.32 and 1,542.88

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Solution

The fourth proportional to 1,856.08, 2,560.32 and 1,542.88 is: 2,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.08 : 2,560.32 = 1,542.88 : x
  2. Step 2: Convert to fraction form
    1,856.08/2,560.32 = 1,542.88/x
  3. Step 3: Cross multiply
    1,856.08x = 2,560.32 × 1,542.88
  4. Step 4: Simplify right side
    1,856.08x = 3,950,266.52
  5. Step 5: Solve for x
    x = 3,950,266.52/1,856.08
  6. Step 6: Final answer
    x = 2,128.28

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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.