Home / 2,953.24-4,422.47-2,117.45

Finding the Fourth Proportional to 2,953.24, 4,422.47 and 2,117.45

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Solution

The fourth proportional to 2,953.24, 4,422.47 and 2,117.45 is: 3,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.24 : 4,422.47 = 2,117.45 : x
  2. Step 2: Convert to fraction form
    2,953.24/4,422.47 = 2,117.45/x
  3. Step 3: Cross multiply
    2,953.24x = 4,422.47 × 2,117.45
  4. Step 4: Simplify right side
    2,953.24x = 9,364,359.57
  5. Step 5: Solve for x
    x = 9,364,359.57/2,953.24
  6. Step 6: Final answer
    x = 3,170.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.