Home / 3,012.08-4,518.94-1,256.51

Finding the Fourth Proportional to 3,012.08, 4,518.94 and 1,256.51

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Solution

The fourth proportional to 3,012.08, 4,518.94 and 1,256.51 is: 1,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.08 : 4,518.94 = 1,256.51 : x
  2. Step 2: Convert to fraction form
    3,012.08/4,518.94 = 1,256.51/x
  3. Step 3: Cross multiply
    3,012.08x = 4,518.94 × 1,256.51
  4. Step 4: Simplify right side
    3,012.08x = 5,678,070.70
  5. Step 5: Solve for x
    x = 5,678,070.70/3,012.08
  6. Step 6: Final answer
    x = 1,885.10

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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.