Home / 2,859.07-4,289.21-1,010.23

Finding the Fourth Proportional to 2,859.07, 4,289.21 and 1,010.23

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Solution

The fourth proportional to 2,859.07, 4,289.21 and 1,010.23 is: 1,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.07 : 4,289.21 = 1,010.23 : x
  2. Step 2: Convert to fraction form
    2,859.07/4,289.21 = 1,010.23/x
  3. Step 3: Cross multiply
    2,859.07x = 4,289.21 × 1,010.23
  4. Step 4: Simplify right side
    2,859.07x = 4,333,088.62
  5. Step 5: Solve for x
    x = 4,333,088.62/2,859.07
  6. Step 6: Final answer
    x = 1,515.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.