Home / 2,068.11-2,850.93-1,509.21

Finding the Fourth Proportional to 2,068.11, 2,850.93 and 1,509.21

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Solution

The fourth proportional to 2,068.11, 2,850.93 and 1,509.21 is: 2,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.11 : 2,850.93 = 1,509.21 : x
  2. Step 2: Convert to fraction form
    2,068.11/2,850.93 = 1,509.21/x
  3. Step 3: Cross multiply
    2,068.11x = 2,850.93 × 1,509.21
  4. Step 4: Simplify right side
    2,068.11x = 4,302,652.07
  5. Step 5: Solve for x
    x = 4,302,652.07/2,068.11
  6. Step 6: Final answer
    x = 2,080.48

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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.