Home / 2,675.37-4,009.01-1,980.93

Finding the Fourth Proportional to 2,675.37, 4,009.01 and 1,980.93

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Solution

The fourth proportional to 2,675.37, 4,009.01 and 1,980.93 is: 2,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.37 : 4,009.01 = 1,980.93 : x
  2. Step 2: Convert to fraction form
    2,675.37/4,009.01 = 1,980.93/x
  3. Step 3: Cross multiply
    2,675.37x = 4,009.01 × 1,980.93
  4. Step 4: Simplify right side
    2,675.37x = 7,941,558.27
  5. Step 5: Solve for x
    x = 7,941,558.27/2,675.37
  6. Step 6: Final answer
    x = 2,968.40

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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.