Home / 3,929.55-5,884.60-2,281.10

Finding the Fourth Proportional to 3,929.55, 5,884.60 and 2,281.10

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Solution

The fourth proportional to 3,929.55, 5,884.60 and 2,281.10 is: 3,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.55 : 5,884.60 = 2,281.10 : x
  2. Step 2: Convert to fraction form
    3,929.55/5,884.60 = 2,281.10/x
  3. Step 3: Cross multiply
    3,929.55x = 5,884.60 × 2,281.10
  4. Step 4: Simplify right side
    3,929.55x = 13,423,361.06
  5. Step 5: Solve for x
    x = 13,423,361.06/3,929.55
  6. Step 6: Final answer
    x = 3,416.00

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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.