Home / 2,965.79-4,426.97-2,615.49

Finding the Fourth Proportional to 2,965.79, 4,426.97 and 2,615.49

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Solution

The fourth proportional to 2,965.79, 4,426.97 and 2,615.49 is: 3,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.79 : 4,426.97 = 2,615.49 : x
  2. Step 2: Convert to fraction form
    2,965.79/4,426.97 = 2,615.49/x
  3. Step 3: Cross multiply
    2,965.79x = 4,426.97 × 2,615.49
  4. Step 4: Simplify right side
    2,965.79x = 11,578,695.77
  5. Step 5: Solve for x
    x = 11,578,695.77/2,965.79
  6. Step 6: Final answer
    x = 3,904.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.