Home / 1,440.58-1,987.20-944.02

Finding the Fourth Proportional to 1,440.58, 1,987.20 and 944.02

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Solution

The fourth proportional to 1,440.58, 1,987.20 and 944.02 is: 1,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.58 : 1,987.20 = 944.02 : x
  2. Step 2: Convert to fraction form
    1,440.58/1,987.20 = 944.02/x
  3. Step 3: Cross multiply
    1,440.58x = 1,987.20 × 944.02
  4. Step 4: Simplify right side
    1,440.58x = 1,875,956.54
  5. Step 5: Solve for x
    x = 1,875,956.54/1,440.58
  6. Step 6: Final answer
    x = 1,302.22

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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.