Home / 2,011.91-2,775.60-1,303.56

Finding the Fourth Proportional to 2,011.91, 2,775.60 and 1,303.56

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Solution

The fourth proportional to 2,011.91, 2,775.60 and 1,303.56 is: 1,798.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.91 : 2,775.60 = 1,303.56 : x
  2. Step 2: Convert to fraction form
    2,011.91/2,775.60 = 1,303.56/x
  3. Step 3: Cross multiply
    2,011.91x = 2,775.60 × 1,303.56
  4. Step 4: Simplify right side
    2,011.91x = 3,618,161.14
  5. Step 5: Solve for x
    x = 3,618,161.14/2,011.91
  6. Step 6: Final answer
    x = 1,798.38

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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.