Home / 2,864.10-4,292.10-2,515.80

Finding the Fourth Proportional to 2,864.10, 4,292.10 and 2,515.80

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Solution

The fourth proportional to 2,864.10, 4,292.10 and 2,515.80 is: 3,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.10 : 4,292.10 = 2,515.80 : x
  2. Step 2: Convert to fraction form
    2,864.10/4,292.10 = 2,515.80/x
  3. Step 3: Cross multiply
    2,864.10x = 4,292.10 × 2,515.80
  4. Step 4: Simplify right side
    2,864.10x = 10,798,065.18
  5. Step 5: Solve for x
    x = 10,798,065.18/2,864.10
  6. Step 6: Final answer
    x = 3,770.14

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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.