Home / 1,515.03-2,261.55-1,493.16

Finding the Fourth Proportional to 1,515.03, 2,261.55 and 1,493.16

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Solution

The fourth proportional to 1,515.03, 2,261.55 and 1,493.16 is: 2,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.03 : 2,261.55 = 1,493.16 : x
  2. Step 2: Convert to fraction form
    1,515.03/2,261.55 = 1,493.16/x
  3. Step 3: Cross multiply
    1,515.03x = 2,261.55 × 1,493.16
  4. Step 4: Simplify right side
    1,515.03x = 3,376,856.00
  5. Step 5: Solve for x
    x = 3,376,856.00/1,515.03
  6. Step 6: Final answer
    x = 2,228.90

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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.