Home / 1,051.28-1,450.82-585.60

Finding the Fourth Proportional to 1,051.28, 1,450.82 and 585.60

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Solution

The fourth proportional to 1,051.28, 1,450.82 and 585.60 is: 808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.28 : 1,450.82 = 585.60 : x
  2. Step 2: Convert to fraction form
    1,051.28/1,450.82 = 585.60/x
  3. Step 3: Cross multiply
    1,051.28x = 1,450.82 × 585.60
  4. Step 4: Simplify right side
    1,051.28x = 849,600.19
  5. Step 5: Solve for x
    x = 849,600.19/1,051.28
  6. Step 6: Final answer
    x = 808.16

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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.