Home / 3,613.83-4,985.19-2,435.28

Finding the Fourth Proportional to 3,613.83, 4,985.19 and 2,435.28

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Solution

The fourth proportional to 3,613.83, 4,985.19 and 2,435.28 is: 3,359.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.83 : 4,985.19 = 2,435.28 : x
  2. Step 2: Convert to fraction form
    3,613.83/4,985.19 = 2,435.28/x
  3. Step 3: Cross multiply
    3,613.83x = 4,985.19 × 2,435.28
  4. Step 4: Simplify right side
    3,613.83x = 12,140,333.50
  5. Step 5: Solve for x
    x = 12,140,333.50/3,613.83
  6. Step 6: Final answer
    x = 3,359.41

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1.5x scale

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.