Home / 3,430.08-4,731.01-2,171.34

Finding the Fourth Proportional to 3,430.08, 4,731.01 and 2,171.34

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Solution

The fourth proportional to 3,430.08, 4,731.01 and 2,171.34 is: 2,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.08 : 4,731.01 = 2,171.34 : x
  2. Step 2: Convert to fraction form
    3,430.08/4,731.01 = 2,171.34/x
  3. Step 3: Cross multiply
    3,430.08x = 4,731.01 × 2,171.34
  4. Step 4: Simplify right side
    3,430.08x = 10,272,625.83
  5. Step 5: Solve for x
    x = 10,272,625.83/3,430.08
  6. Step 6: Final answer
    x = 2,994.86

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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.