Home / 1,626.51-2,434.09-1,330.59

Finding the Fourth Proportional to 1,626.51, 2,434.09 and 1,330.59

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Solution

The fourth proportional to 1,626.51, 2,434.09 and 1,330.59 is: 1,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.51 : 2,434.09 = 1,330.59 : x
  2. Step 2: Convert to fraction form
    1,626.51/2,434.09 = 1,330.59/x
  3. Step 3: Cross multiply
    1,626.51x = 2,434.09 × 1,330.59
  4. Step 4: Simplify right side
    1,626.51x = 3,238,775.81
  5. Step 5: Solve for x
    x = 3,238,775.81/1,626.51
  6. Step 6: Final answer
    x = 1,991.24

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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.