Home / 2,586.90-3,567.24-2,215.12

Finding the Fourth Proportional to 2,586.90, 3,567.24 and 2,215.12

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Solution

The fourth proportional to 2,586.90, 3,567.24 and 2,215.12 is: 3,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.90 : 3,567.24 = 2,215.12 : x
  2. Step 2: Convert to fraction form
    2,586.90/3,567.24 = 2,215.12/x
  3. Step 3: Cross multiply
    2,586.90x = 3,567.24 × 2,215.12
  4. Step 4: Simplify right side
    2,586.90x = 7,901,864.67
  5. Step 5: Solve for x
    x = 7,901,864.67/2,586.90
  6. Step 6: Final answer
    x = 3,054.57

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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.