Home / 3,397.37-4,688.06-2,070.86

Finding the Fourth Proportional to 3,397.37, 4,688.06 and 2,070.86

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Solution

The fourth proportional to 3,397.37, 4,688.06 and 2,070.86 is: 2,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.37 : 4,688.06 = 2,070.86 : x
  2. Step 2: Convert to fraction form
    3,397.37/4,688.06 = 2,070.86/x
  3. Step 3: Cross multiply
    3,397.37x = 4,688.06 × 2,070.86
  4. Step 4: Simplify right side
    3,397.37x = 9,708,282.14
  5. Step 5: Solve for x
    x = 9,708,282.14/3,397.37
  6. Step 6: Final answer
    x = 2,857.59

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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.