Home / 1,515.21-2,261.30-1,476.33

Finding the Fourth Proportional to 1,515.21, 2,261.30 and 1,476.33

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Solution

The fourth proportional to 1,515.21, 2,261.30 and 1,476.33 is: 2,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.21 : 2,261.30 = 1,476.33 : x
  2. Step 2: Convert to fraction form
    1,515.21/2,261.30 = 1,476.33/x
  3. Step 3: Cross multiply
    1,515.21x = 2,261.30 × 1,476.33
  4. Step 4: Simplify right side
    1,515.21x = 3,338,417.65
  5. Step 5: Solve for x
    x = 3,338,417.65/1,515.21
  6. Step 6: Final answer
    x = 2,203.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.