Home / 4,139.80-5,714.36-2,483.80

Finding the Fourth Proportional to 4,139.80, 5,714.36 and 2,483.80

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Solution

The fourth proportional to 4,139.80, 5,714.36 and 2,483.80 is: 3,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.80 : 5,714.36 = 2,483.80 : x
  2. Step 2: Convert to fraction form
    4,139.80/5,714.36 = 2,483.80/x
  3. Step 3: Cross multiply
    4,139.80x = 5,714.36 × 2,483.80
  4. Step 4: Simplify right side
    4,139.80x = 14,193,327.37
  5. Step 5: Solve for x
    x = 14,193,327.37/4,139.80
  6. Step 6: Final answer
    x = 3,428.51

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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.