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Finding the Fourth Proportional to 2,012.65, 3,018.85 and 607.04

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Solution

The fourth proportional to 2,012.65, 3,018.85 and 607.04 is: 910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.65 : 3,018.85 = 607.04 : x
  2. Step 2: Convert to fraction form
    2,012.65/3,018.85 = 607.04/x
  3. Step 3: Cross multiply
    2,012.65x = 3,018.85 × 607.04
  4. Step 4: Simplify right side
    2,012.65x = 1,832,559.67
  5. Step 5: Solve for x
    x = 1,832,559.67/2,012.65
  6. Step 6: Final answer
    x = 910.52

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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.