Home / 1,562.36-2,156.06-899.33

Finding the Fourth Proportional to 1,562.36, 2,156.06 and 899.33

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Solution

The fourth proportional to 1,562.36, 2,156.06 and 899.33 is: 1,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.36 : 2,156.06 = 899.33 : x
  2. Step 2: Convert to fraction form
    1,562.36/2,156.06 = 899.33/x
  3. Step 3: Cross multiply
    1,562.36x = 2,156.06 × 899.33
  4. Step 4: Simplify right side
    1,562.36x = 1,939,004.94
  5. Step 5: Solve for x
    x = 1,939,004.94/1,562.36
  6. Step 6: Final answer
    x = 1,241.07

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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.