Home / 1,826.63-2,520.67-1,119.65

Finding the Fourth Proportional to 1,826.63, 2,520.67 and 1,119.65

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Solution

The fourth proportional to 1,826.63, 2,520.67 and 1,119.65 is: 1,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.63 : 2,520.67 = 1,119.65 : x
  2. Step 2: Convert to fraction form
    1,826.63/2,520.67 = 1,119.65/x
  3. Step 3: Cross multiply
    1,826.63x = 2,520.67 × 1,119.65
  4. Step 4: Simplify right side
    1,826.63x = 2,822,268.17
  5. Step 5: Solve for x
    x = 2,822,268.17/1,826.63
  6. Step 6: Final answer
    x = 1,545.07

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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.