Home / 1,975.89-2,966.92-1,888.25

Finding the Fourth Proportional to 1,975.89, 2,966.92 and 1,888.25

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Solution

The fourth proportional to 1,975.89, 2,966.92 and 1,888.25 is: 2,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.89 : 2,966.92 = 1,888.25 : x
  2. Step 2: Convert to fraction form
    1,975.89/2,966.92 = 1,888.25/x
  3. Step 3: Cross multiply
    1,975.89x = 2,966.92 × 1,888.25
  4. Step 4: Simplify right side
    1,975.89x = 5,602,289.39
  5. Step 5: Solve for x
    x = 5,602,289.39/1,975.89
  6. Step 6: Final answer
    x = 2,835.32

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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.