Home / 3,859.48-5,323.44-2,461.60

Finding the Fourth Proportional to 3,859.48, 5,323.44 and 2,461.60

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Solution

The fourth proportional to 3,859.48, 5,323.44 and 2,461.60 is: 3,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.48 : 5,323.44 = 2,461.60 : x
  2. Step 2: Convert to fraction form
    3,859.48/5,323.44 = 2,461.60/x
  3. Step 3: Cross multiply
    3,859.48x = 5,323.44 × 2,461.60
  4. Step 4: Simplify right side
    3,859.48x = 13,104,179.90
  5. Step 5: Solve for x
    x = 13,104,179.90/3,859.48
  6. Step 6: Final answer
    x = 3,395.32

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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.