Home / 2,840.51-4,259.06-1,173.35

Finding the Fourth Proportional to 2,840.51, 4,259.06 and 1,173.35

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Solution

The fourth proportional to 2,840.51, 4,259.06 and 1,173.35 is: 1,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.51 : 4,259.06 = 1,173.35 : x
  2. Step 2: Convert to fraction form
    2,840.51/4,259.06 = 1,173.35/x
  3. Step 3: Cross multiply
    2,840.51x = 4,259.06 × 1,173.35
  4. Step 4: Simplify right side
    2,840.51x = 4,997,340.89
  5. Step 5: Solve for x
    x = 4,997,340.89/2,840.51
  6. Step 6: Final answer
    x = 1,759.31

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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.