Home / 4,108.74-5,669.60-2,430.20

Finding the Fourth Proportional to 4,108.74, 5,669.60 and 2,430.20

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Solution

The fourth proportional to 4,108.74, 5,669.60 and 2,430.20 is: 3,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.74 : 5,669.60 = 2,430.20 : x
  2. Step 2: Convert to fraction form
    4,108.74/5,669.60 = 2,430.20/x
  3. Step 3: Cross multiply
    4,108.74x = 5,669.60 × 2,430.20
  4. Step 4: Simplify right side
    4,108.74x = 13,778,261.92
  5. Step 5: Solve for x
    x = 13,778,261.92/4,108.74
  6. Step 6: Final answer
    x = 3,353.40

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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.