Home / 1,574.10-2,175.26-1,180.44

Finding the Fourth Proportional to 1,574.10, 2,175.26 and 1,180.44

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Solution

The fourth proportional to 1,574.10, 2,175.26 and 1,180.44 is: 1,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.10 : 2,175.26 = 1,180.44 : x
  2. Step 2: Convert to fraction form
    1,574.10/2,175.26 = 1,180.44/x
  3. Step 3: Cross multiply
    1,574.10x = 2,175.26 × 1,180.44
  4. Step 4: Simplify right side
    1,574.10x = 2,567,758.01
  5. Step 5: Solve for x
    x = 2,567,758.01/1,574.10
  6. Step 6: Final answer
    x = 1,631.25

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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.