Home / 3,493.71-4,820.36-2,430.28

Finding the Fourth Proportional to 3,493.71, 4,820.36 and 2,430.28

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Solution

The fourth proportional to 3,493.71, 4,820.36 and 2,430.28 is: 3,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.71 : 4,820.36 = 2,430.28 : x
  2. Step 2: Convert to fraction form
    3,493.71/4,820.36 = 2,430.28/x
  3. Step 3: Cross multiply
    3,493.71x = 4,820.36 × 2,430.28
  4. Step 4: Simplify right side
    3,493.71x = 11,714,818.49
  5. Step 5: Solve for x
    x = 11,714,818.49/3,493.71
  6. Step 6: Final answer
    x = 3,353.12

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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.