Home / 1,530.44-2,111.93-867.27

Finding the Fourth Proportional to 1,530.44, 2,111.93 and 867.27

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Solution

The fourth proportional to 1,530.44, 2,111.93 and 867.27 is: 1,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.44 : 2,111.93 = 867.27 : x
  2. Step 2: Convert to fraction form
    1,530.44/2,111.93 = 867.27/x
  3. Step 3: Cross multiply
    1,530.44x = 2,111.93 × 867.27
  4. Step 4: Simplify right side
    1,530.44x = 1,831,622.81
  5. Step 5: Solve for x
    x = 1,831,622.81/1,530.44
  6. Step 6: Final answer
    x = 1,196.80

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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.