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Finding the Fourth Proportional to 1,806.80, 2,460.32 and 1,806.80

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Solution

The fourth proportional to 1,806.80, 2,460.32 and 1,806.80 is: 2,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.80 : 2,460.32 = 1,806.80 : x
  2. Step 2: Convert to fraction form
    1,806.80/2,460.32 = 1,806.80/x
  3. Step 3: Cross multiply
    1,806.80x = 2,460.32 × 1,806.80
  4. Step 4: Simplify right side
    1,806.80x = 4,445,306.18
  5. Step 5: Solve for x
    x = 4,445,306.18/1,806.80
  6. Step 6: Final answer
    x = 2,460.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.