Home / 1,588.26-2,378.31-1,038.84

Finding the Fourth Proportional to 1,588.26, 2,378.31 and 1,038.84

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Solution

The fourth proportional to 1,588.26, 2,378.31 and 1,038.84 is: 1,555.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.26 : 2,378.31 = 1,038.84 : x
  2. Step 2: Convert to fraction form
    1,588.26/2,378.31 = 1,038.84/x
  3. Step 3: Cross multiply
    1,588.26x = 2,378.31 × 1,038.84
  4. Step 4: Simplify right side
    1,588.26x = 2,470,683.56
  5. Step 5: Solve for x
    x = 2,470,683.56/1,588.26
  6. Step 6: Final answer
    x = 1,555.59

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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.