Home / 2,585.07-3,573.95-2,289.69

Finding the Fourth Proportional to 2,585.07, 3,573.95 and 2,289.69

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Solution

The fourth proportional to 2,585.07, 3,573.95 and 2,289.69 is: 3,165.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.07 : 3,573.95 = 2,289.69 : x
  2. Step 2: Convert to fraction form
    2,585.07/3,573.95 = 2,289.69/x
  3. Step 3: Cross multiply
    2,585.07x = 3,573.95 × 2,289.69
  4. Step 4: Simplify right side
    2,585.07x = 8,183,226.13
  5. Step 5: Solve for x
    x = 8,183,226.13/2,585.07
  6. Step 6: Final answer
    x = 3,165.57

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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.