Home / 2,840.10-4,259.37-1,798.54

Finding the Fourth Proportional to 2,840.10, 4,259.37 and 1,798.54

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Solution

The fourth proportional to 2,840.10, 4,259.37 and 1,798.54 is: 2,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.10 : 4,259.37 = 1,798.54 : x
  2. Step 2: Convert to fraction form
    2,840.10/4,259.37 = 1,798.54/x
  3. Step 3: Cross multiply
    2,840.10x = 4,259.37 × 1,798.54
  4. Step 4: Simplify right side
    2,840.10x = 7,660,647.32
  5. Step 5: Solve for x
    x = 7,660,647.32/2,840.10
  6. Step 6: Final answer
    x = 2,697.32

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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.