Home / 1,624.19-2,434.20-698.64

Finding the Fourth Proportional to 1,624.19, 2,434.20 and 698.64

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Solution

The fourth proportional to 1,624.19, 2,434.20 and 698.64 is: 1,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.19 : 2,434.20 = 698.64 : x
  2. Step 2: Convert to fraction form
    1,624.19/2,434.20 = 698.64/x
  3. Step 3: Cross multiply
    1,624.19x = 2,434.20 × 698.64
  4. Step 4: Simplify right side
    1,624.19x = 1,700,629.49
  5. Step 5: Solve for x
    x = 1,700,629.49/1,624.19
  6. Step 6: Final answer
    x = 1,047.07

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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.