Home / 2,956.61-4,080.51-2,458.40

Finding the Fourth Proportional to 2,956.61, 4,080.51 and 2,458.40

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Solution

The fourth proportional to 2,956.61, 4,080.51 and 2,458.40 is: 3,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.61 : 4,080.51 = 2,458.40 : x
  2. Step 2: Convert to fraction form
    2,956.61/4,080.51 = 2,458.40/x
  3. Step 3: Cross multiply
    2,956.61x = 4,080.51 × 2,458.40
  4. Step 4: Simplify right side
    2,956.61x = 10,031,525.78
  5. Step 5: Solve for x
    x = 10,031,525.78/2,956.61
  6. Step 6: Final answer
    x = 3,392.91

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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.