Home / 2,014.65-2,780.30-1,175.22

Finding the Fourth Proportional to 2,014.65, 2,780.30 and 1,175.22

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Solution

The fourth proportional to 2,014.65, 2,780.30 and 1,175.22 is: 1,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.65 : 2,780.30 = 1,175.22 : x
  2. Step 2: Convert to fraction form
    2,014.65/2,780.30 = 1,175.22/x
  3. Step 3: Cross multiply
    2,014.65x = 2,780.30 × 1,175.22
  4. Step 4: Simplify right side
    2,014.65x = 3,267,464.17
  5. Step 5: Solve for x
    x = 3,267,464.17/2,014.65
  6. Step 6: Final answer
    x = 1,621.85

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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.