Home / 1,826.60-2,520.89-1,118.91

Finding the Fourth Proportional to 1,826.60, 2,520.89 and 1,118.91

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Solution

The fourth proportional to 1,826.60, 2,520.89 and 1,118.91 is: 1,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.60 : 2,520.89 = 1,118.91 : x
  2. Step 2: Convert to fraction form
    1,826.60/2,520.89 = 1,118.91/x
  3. Step 3: Cross multiply
    1,826.60x = 2,520.89 × 1,118.91
  4. Step 4: Simplify right side
    1,826.60x = 2,820,657.08
  5. Step 5: Solve for x
    x = 2,820,657.08/1,826.60
  6. Step 6: Final answer
    x = 1,544.22

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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.