Home / 1,856.98-2,785.55-1,040.46

Finding the Fourth Proportional to 1,856.98, 2,785.55 and 1,040.46

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Solution

The fourth proportional to 1,856.98, 2,785.55 and 1,040.46 is: 1,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.98 : 2,785.55 = 1,040.46 : x
  2. Step 2: Convert to fraction form
    1,856.98/2,785.55 = 1,040.46/x
  3. Step 3: Cross multiply
    1,856.98x = 2,785.55 × 1,040.46
  4. Step 4: Simplify right side
    1,856.98x = 2,898,253.35
  5. Step 5: Solve for x
    x = 2,898,253.35/1,856.98
  6. Step 6: Final answer
    x = 1,560.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.