Home / 4,108.90-5,671.74-2,430.89

Finding the Fourth Proportional to 4,108.90, 5,671.74 and 2,430.89

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Solution

The fourth proportional to 4,108.90, 5,671.74 and 2,430.89 is: 3,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.90 : 5,671.74 = 2,430.89 : x
  2. Step 2: Convert to fraction form
    4,108.90/5,671.74 = 2,430.89/x
  3. Step 3: Cross multiply
    4,108.90x = 5,671.74 × 2,430.89
  4. Step 4: Simplify right side
    4,108.90x = 13,787,399.34
  5. Step 5: Solve for x
    x = 13,787,399.34/4,108.90
  6. Step 6: Final answer
    x = 3,355.50

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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.