Home / 1,845.32-2,767.98-1,298.57

Finding the Fourth Proportional to 1,845.32, 2,767.98 and 1,298.57

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Solution

The fourth proportional to 1,845.32, 2,767.98 and 1,298.57 is: 1,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.32 : 2,767.98 = 1,298.57 : x
  2. Step 2: Convert to fraction form
    1,845.32/2,767.98 = 1,298.57/x
  3. Step 3: Cross multiply
    1,845.32x = 2,767.98 × 1,298.57
  4. Step 4: Simplify right side
    1,845.32x = 3,594,415.79
  5. Step 5: Solve for x
    x = 3,594,415.79/1,845.32
  6. Step 6: Final answer
    x = 1,947.86

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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.