Home / 2,845.10-4,259.55-2,521.10

Finding the Fourth Proportional to 2,845.10, 4,259.55 and 2,521.10

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Solution

The fourth proportional to 2,845.10, 4,259.55 and 2,521.10 is: 3,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.10 : 4,259.55 = 2,521.10 : x
  2. Step 2: Convert to fraction form
    2,845.10/4,259.55 = 2,521.10/x
  3. Step 3: Cross multiply
    2,845.10x = 4,259.55 × 2,521.10
  4. Step 4: Simplify right side
    2,845.10x = 10,738,751.51
  5. Step 5: Solve for x
    x = 10,738,751.51/2,845.10
  6. Step 6: Final answer
    x = 3,774.47

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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.