Home / 4,142.24-5,715.60-2,486.24

Finding the Fourth Proportional to 4,142.24, 5,715.60 and 2,486.24

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Solution

The fourth proportional to 4,142.24, 5,715.60 and 2,486.24 is: 3,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.24 : 5,715.60 = 2,486.24 : x
  2. Step 2: Convert to fraction form
    4,142.24/5,715.60 = 2,486.24/x
  3. Step 3: Cross multiply
    4,142.24x = 5,715.60 × 2,486.24
  4. Step 4: Simplify right side
    4,142.24x = 14,210,353.34
  5. Step 5: Solve for x
    x = 14,210,353.34/4,142.24
  6. Step 6: Final answer
    x = 3,430.60

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Half scale
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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.