Home / 1,853.15-2,558.27-1,432.55

Finding the Fourth Proportional to 1,853.15, 2,558.27 and 1,432.55

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Solution

The fourth proportional to 1,853.15, 2,558.27 and 1,432.55 is: 1,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.15 : 2,558.27 = 1,432.55 : x
  2. Step 2: Convert to fraction form
    1,853.15/2,558.27 = 1,432.55/x
  3. Step 3: Cross multiply
    1,853.15x = 2,558.27 × 1,432.55
  4. Step 4: Simplify right side
    1,853.15x = 3,664,829.73
  5. Step 5: Solve for x
    x = 3,664,829.73/1,853.15
  6. Step 6: Final answer
    x = 1,977.63

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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.