Home / 2,666.03-3,678.84-1,486.98

Finding the Fourth Proportional to 2,666.03, 3,678.84 and 1,486.98

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Solution

The fourth proportional to 2,666.03, 3,678.84 and 1,486.98 is: 2,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.03 : 3,678.84 = 1,486.98 : x
  2. Step 2: Convert to fraction form
    2,666.03/3,678.84 = 1,486.98/x
  3. Step 3: Cross multiply
    2,666.03x = 3,678.84 × 1,486.98
  4. Step 4: Simplify right side
    2,666.03x = 5,470,361.50
  5. Step 5: Solve for x
    x = 5,470,361.50/2,666.03
  6. Step 6: Final answer
    x = 2,051.88

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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.