Home / 1,193.60-1,789.68-1,011.08

Finding the Fourth Proportional to 1,193.60, 1,789.68 and 1,011.08

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Solution

The fourth proportional to 1,193.60, 1,789.68 and 1,011.08 is: 1,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.60 : 1,789.68 = 1,011.08 : x
  2. Step 2: Convert to fraction form
    1,193.60/1,789.68 = 1,011.08/x
  3. Step 3: Cross multiply
    1,193.60x = 1,789.68 × 1,011.08
  4. Step 4: Simplify right side
    1,193.60x = 1,809,509.65
  5. Step 5: Solve for x
    x = 1,809,509.65/1,193.60
  6. Step 6: Final answer
    x = 1,516.01

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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.