Home / 2,724.08-4,075.81-1,666.13

Finding the Fourth Proportional to 2,724.08, 4,075.81 and 1,666.13

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Solution

The fourth proportional to 2,724.08, 4,075.81 and 1,666.13 is: 2,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.08 : 4,075.81 = 1,666.13 : x
  2. Step 2: Convert to fraction form
    2,724.08/4,075.81 = 1,666.13/x
  3. Step 3: Cross multiply
    2,724.08x = 4,075.81 × 1,666.13
  4. Step 4: Simplify right side
    2,724.08x = 6,790,804.77
  5. Step 5: Solve for x
    x = 6,790,804.77/2,724.08
  6. Step 6: Final answer
    x = 2,492.88

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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.