Home / 3,012.85-4,518.59-1,065.05

Finding the Fourth Proportional to 3,012.85, 4,518.59 and 1,065.05

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Solution

The fourth proportional to 3,012.85, 4,518.59 and 1,065.05 is: 1,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.85 : 4,518.59 = 1,065.05 : x
  2. Step 2: Convert to fraction form
    3,012.85/4,518.59 = 1,065.05/x
  3. Step 3: Cross multiply
    3,012.85x = 4,518.59 × 1,065.05
  4. Step 4: Simplify right side
    3,012.85x = 4,812,513.31
  5. Step 5: Solve for x
    x = 4,812,513.31/3,012.85
  6. Step 6: Final answer
    x = 1,597.33

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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.