Home / 1,562.29-2,155.14-1,090.46

Finding the Fourth Proportional to 1,562.29, 2,155.14 and 1,090.46

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Solution

The fourth proportional to 1,562.29, 2,155.14 and 1,090.46 is: 1,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.29 : 2,155.14 = 1,090.46 : x
  2. Step 2: Convert to fraction form
    1,562.29/2,155.14 = 1,090.46/x
  3. Step 3: Cross multiply
    1,562.29x = 2,155.14 × 1,090.46
  4. Step 4: Simplify right side
    1,562.29x = 2,350,099.35
  5. Step 5: Solve for x
    x = 2,350,099.35/1,562.29
  6. Step 6: Final answer
    x = 1,504.27

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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.