Home / 2,504.36-3,455.91-1,385.24

Finding the Fourth Proportional to 2,504.36, 3,455.91 and 1,385.24

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Solution

The fourth proportional to 2,504.36, 3,455.91 and 1,385.24 is: 1,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,504.36 : 3,455.91 = 1,385.24 : x
  2. Step 2: Convert to fraction form
    2,504.36/3,455.91 = 1,385.24/x
  3. Step 3: Cross multiply
    2,504.36x = 3,455.91 × 1,385.24
  4. Step 4: Simplify right side
    2,504.36x = 4,787,247.49
  5. Step 5: Solve for x
    x = 4,787,247.49/2,504.36
  6. Step 6: Final answer
    x = 1,911.57

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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.