Home / 1,975.38-2,724.80-1,583.34

Finding the Fourth Proportional to 1,975.38, 2,724.80 and 1,583.34

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Solution

The fourth proportional to 1,975.38, 2,724.80 and 1,583.34 is: 2,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.38 : 2,724.80 = 1,583.34 : x
  2. Step 2: Convert to fraction form
    1,975.38/2,724.80 = 1,583.34/x
  3. Step 3: Cross multiply
    1,975.38x = 2,724.80 × 1,583.34
  4. Step 4: Simplify right side
    1,975.38x = 4,314,284.83
  5. Step 5: Solve for x
    x = 4,314,284.83/1,975.38
  6. Step 6: Final answer
    x = 2,184.03

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1.5x scale

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.