Home / 1,623.12-2,434.84-1,535.64

Finding the Fourth Proportional to 1,623.12, 2,434.84 and 1,535.64

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Solution

The fourth proportional to 1,623.12, 2,434.84 and 1,535.64 is: 2,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.12 : 2,434.84 = 1,535.64 : x
  2. Step 2: Convert to fraction form
    1,623.12/2,434.84 = 1,535.64/x
  3. Step 3: Cross multiply
    1,623.12x = 2,434.84 × 1,535.64
  4. Step 4: Simplify right side
    1,623.12x = 3,739,037.70
  5. Step 5: Solve for x
    x = 3,739,037.70/1,623.12
  6. Step 6: Final answer
    x = 2,303.61

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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.