Home / 1,612.99-2,225.97-1,141.72

Finding the Fourth Proportional to 1,612.99, 2,225.97 and 1,141.72

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Solution

The fourth proportional to 1,612.99, 2,225.97 and 1,141.72 is: 1,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.99 : 2,225.97 = 1,141.72 : x
  2. Step 2: Convert to fraction form
    1,612.99/2,225.97 = 1,141.72/x
  3. Step 3: Cross multiply
    1,612.99x = 2,225.97 × 1,141.72
  4. Step 4: Simplify right side
    1,612.99x = 2,541,434.47
  5. Step 5: Solve for x
    x = 2,541,434.47/1,612.99
  6. Step 6: Final answer
    x = 1,575.60

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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.