Home / 2,011.02-3,015.30-1,316.84

Finding the Fourth Proportional to 2,011.02, 3,015.30 and 1,316.84

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Solution

The fourth proportional to 2,011.02, 3,015.30 and 1,316.84 is: 1,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.02 : 3,015.30 = 1,316.84 : x
  2. Step 2: Convert to fraction form
    2,011.02/3,015.30 = 1,316.84/x
  3. Step 3: Cross multiply
    2,011.02x = 3,015.30 × 1,316.84
  4. Step 4: Simplify right side
    2,011.02x = 3,970,667.65
  5. Step 5: Solve for x
    x = 3,970,667.65/2,011.02
  6. Step 6: Final answer
    x = 1,974.45

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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.