Home / 1,853.75-2,558.22-1,155.53

Finding the Fourth Proportional to 1,853.75, 2,558.22 and 1,155.53

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Solution

The fourth proportional to 1,853.75, 2,558.22 and 1,155.53 is: 1,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.75 : 2,558.22 = 1,155.53 : x
  2. Step 2: Convert to fraction form
    1,853.75/2,558.22 = 1,155.53/x
  3. Step 3: Cross multiply
    1,853.75x = 2,558.22 × 1,155.53
  4. Step 4: Simplify right side
    1,853.75x = 2,956,099.96
  5. Step 5: Solve for x
    x = 2,956,099.96/1,853.75
  6. Step 6: Final answer
    x = 1,594.66

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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.