Home / 3,000.87-4,504.58-1,247.10

Finding the Fourth Proportional to 3,000.87, 4,504.58 and 1,247.10

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Solution

The fourth proportional to 3,000.87, 4,504.58 and 1,247.10 is: 1,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.87 : 4,504.58 = 1,247.10 : x
  2. Step 2: Convert to fraction form
    3,000.87/4,504.58 = 1,247.10/x
  3. Step 3: Cross multiply
    3,000.87x = 4,504.58 × 1,247.10
  4. Step 4: Simplify right side
    3,000.87x = 5,617,655.48
  5. Step 5: Solve for x
    x = 5,617,655.48/3,000.87
  6. Step 6: Final answer
    x = 1,872.01

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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.