Home / 2,416.30-3,334.52-1,421.35

Finding the Fourth Proportional to 2,416.30, 3,334.52 and 1,421.35

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Solution

The fourth proportional to 2,416.30, 3,334.52 and 1,421.35 is: 1,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.30 : 3,334.52 = 1,421.35 : x
  2. Step 2: Convert to fraction form
    2,416.30/3,334.52 = 1,421.35/x
  3. Step 3: Cross multiply
    2,416.30x = 3,334.52 × 1,421.35
  4. Step 4: Simplify right side
    2,416.30x = 4,739,520.00
  5. Step 5: Solve for x
    x = 4,739,520.00/2,416.30
  6. Step 6: Final answer
    x = 1,961.48

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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.