Home / 2,416.35-3,334.37-1,421.47

Finding the Fourth Proportional to 2,416.35, 3,334.37 and 1,421.47

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Solution

The fourth proportional to 2,416.35, 3,334.37 and 1,421.47 is: 1,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.35 : 3,334.37 = 1,421.47 : x
  2. Step 2: Convert to fraction form
    2,416.35/3,334.37 = 1,421.47/x
  3. Step 3: Cross multiply
    2,416.35x = 3,334.37 × 1,421.47
  4. Step 4: Simplify right side
    2,416.35x = 4,739,685.23
  5. Step 5: Solve for x
    x = 4,739,685.23/2,416.35
  6. Step 6: Final answer
    x = 1,961.51

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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.