Home / 2,927.66-4,041.63-1,988.42

Finding the Fourth Proportional to 2,927.66, 4,041.63 and 1,988.42

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Solution

The fourth proportional to 2,927.66, 4,041.63 and 1,988.42 is: 2,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.66 : 4,041.63 = 1,988.42 : x
  2. Step 2: Convert to fraction form
    2,927.66/4,041.63 = 1,988.42/x
  3. Step 3: Cross multiply
    2,927.66x = 4,041.63 × 1,988.42
  4. Step 4: Simplify right side
    2,927.66x = 8,036,437.72
  5. Step 5: Solve for x
    x = 8,036,437.72/2,927.66
  6. Step 6: Final answer
    x = 2,745.01

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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.