Home / 3,319.40-4,977.58-1,011.08

Finding the Fourth Proportional to 3,319.40, 4,977.58 and 1,011.08

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Solution

The fourth proportional to 3,319.40, 4,977.58 and 1,011.08 is: 1,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.40 : 4,977.58 = 1,011.08 : x
  2. Step 2: Convert to fraction form
    3,319.40/4,977.58 = 1,011.08/x
  3. Step 3: Cross multiply
    3,319.40x = 4,977.58 × 1,011.08
  4. Step 4: Simplify right side
    3,319.40x = 5,032,731.59
  5. Step 5: Solve for x
    x = 5,032,731.59/3,319.40
  6. Step 6: Final answer
    x = 1,516.16

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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.