Home / 1,927.28-2,888.07-1,440.06

Finding the Fourth Proportional to 1,927.28, 2,888.07 and 1,440.06

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Solution

The fourth proportional to 1,927.28, 2,888.07 and 1,440.06 is: 2,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.28 : 2,888.07 = 1,440.06 : x
  2. Step 2: Convert to fraction form
    1,927.28/2,888.07 = 1,440.06/x
  3. Step 3: Cross multiply
    1,927.28x = 2,888.07 × 1,440.06
  4. Step 4: Simplify right side
    1,927.28x = 4,158,994.08
  5. Step 5: Solve for x
    x = 4,158,994.08/1,927.28
  6. Step 6: Final answer
    x = 2,157.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.