Home / 4,047.08-5,584.57-2,985.40

Finding the Fourth Proportional to 4,047.08, 5,584.57 and 2,985.40

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Solution

The fourth proportional to 4,047.08, 5,584.57 and 2,985.40 is: 4,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.08 : 5,584.57 = 2,985.40 : x
  2. Step 2: Convert to fraction form
    4,047.08/5,584.57 = 2,985.40/x
  3. Step 3: Cross multiply
    4,047.08x = 5,584.57 × 2,985.40
  4. Step 4: Simplify right side
    4,047.08x = 16,672,174.80
  5. Step 5: Solve for x
    x = 16,672,174.80/4,047.08
  6. Step 6: Final answer
    x = 4,119.56

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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.