Home / 4,108.72-5,669.64-2,430.76

Finding the Fourth Proportional to 4,108.72, 5,669.64 and 2,430.76

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Solution

The fourth proportional to 4,108.72, 5,669.64 and 2,430.76 is: 3,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.72 : 5,669.64 = 2,430.76 : x
  2. Step 2: Convert to fraction form
    4,108.72/5,669.64 = 2,430.76/x
  3. Step 3: Cross multiply
    4,108.72x = 5,669.64 × 2,430.76
  4. Step 4: Simplify right side
    4,108.72x = 13,781,534.13
  5. Step 5: Solve for x
    x = 13,781,534.13/4,108.72
  6. Step 6: Final answer
    x = 3,354.22

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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.