Home / 3,187.37-4,397.59-1,860.14

Finding the Fourth Proportional to 3,187.37, 4,397.59 and 1,860.14

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Solution

The fourth proportional to 3,187.37, 4,397.59 and 1,860.14 is: 2,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.37 : 4,397.59 = 1,860.14 : x
  2. Step 2: Convert to fraction form
    3,187.37/4,397.59 = 1,860.14/x
  3. Step 3: Cross multiply
    3,187.37x = 4,397.59 × 1,860.14
  4. Step 4: Simplify right side
    3,187.37x = 8,180,101.77
  5. Step 5: Solve for x
    x = 8,180,101.77/3,187.37
  6. Step 6: Final answer
    x = 2,566.41

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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.