Home / 3,557.81-5,336.72-1,977.54

Finding the Fourth Proportional to 3,557.81, 5,336.72 and 1,977.54

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Solution

The fourth proportional to 3,557.81, 5,336.72 and 1,977.54 is: 2,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.81 : 5,336.72 = 1,977.54 : x
  2. Step 2: Convert to fraction form
    3,557.81/5,336.72 = 1,977.54/x
  3. Step 3: Cross multiply
    3,557.81x = 5,336.72 × 1,977.54
  4. Step 4: Simplify right side
    3,557.81x = 10,553,554.04
  5. Step 5: Solve for x
    x = 10,553,554.04/3,557.81
  6. Step 6: Final answer
    x = 2,966.30

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1.5x scale

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.