Home / 1,633.32-2,254.10-934.70

Finding the Fourth Proportional to 1,633.32, 2,254.10 and 934.70

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Solution

The fourth proportional to 1,633.32, 2,254.10 and 934.70 is: 1,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.32 : 2,254.10 = 934.70 : x
  2. Step 2: Convert to fraction form
    1,633.32/2,254.10 = 934.70/x
  3. Step 3: Cross multiply
    1,633.32x = 2,254.10 × 934.70
  4. Step 4: Simplify right side
    1,633.32x = 2,106,891.33
  5. Step 5: Solve for x
    x = 2,106,891.33/1,633.32
  6. Step 6: Final answer
    x = 1,289.94

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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.