Home / 3,265.10-4,898.12-1,878.20

Finding the Fourth Proportional to 3,265.10, 4,898.12 and 1,878.20

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Solution

The fourth proportional to 3,265.10, 4,898.12 and 1,878.20 is: 2,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.10 : 4,898.12 = 1,878.20 : x
  2. Step 2: Convert to fraction form
    3,265.10/4,898.12 = 1,878.20/x
  3. Step 3: Cross multiply
    3,265.10x = 4,898.12 × 1,878.20
  4. Step 4: Simplify right side
    3,265.10x = 9,199,615.10
  5. Step 5: Solve for x
    x = 9,199,615.10/3,265.10
  6. Step 6: Final answer
    x = 2,817.56

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1.5x scale

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.