Home / 1,826.08-2,734.80-1,440.16

Finding the Fourth Proportional to 1,826.08, 2,734.80 and 1,440.16

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Solution

The fourth proportional to 1,826.08, 2,734.80 and 1,440.16 is: 2,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.08 : 2,734.80 = 1,440.16 : x
  2. Step 2: Convert to fraction form
    1,826.08/2,734.80 = 1,440.16/x
  3. Step 3: Cross multiply
    1,826.08x = 2,734.80 × 1,440.16
  4. Step 4: Simplify right side
    1,826.08x = 3,938,549.57
  5. Step 5: Solve for x
    x = 3,938,549.57/1,826.08
  6. Step 6: Final answer
    x = 2,156.83

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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.