Home / 1,586.67-2,190.36-1,056.43

Finding the Fourth Proportional to 1,586.67, 2,190.36 and 1,056.43

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Solution

The fourth proportional to 1,586.67, 2,190.36 and 1,056.43 is: 1,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.67 : 2,190.36 = 1,056.43 : x
  2. Step 2: Convert to fraction form
    1,586.67/2,190.36 = 1,056.43/x
  3. Step 3: Cross multiply
    1,586.67x = 2,190.36 × 1,056.43
  4. Step 4: Simplify right side
    1,586.67x = 2,313,962.01
  5. Step 5: Solve for x
    x = 2,313,962.01/1,586.67
  6. Step 6: Final answer
    x = 1,458.38

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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.