Home / 2,015.35-2,779.93-1,268.02

Finding the Fourth Proportional to 2,015.35, 2,779.93 and 1,268.02

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Solution

The fourth proportional to 2,015.35, 2,779.93 and 1,268.02 is: 1,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.35 : 2,779.93 = 1,268.02 : x
  2. Step 2: Convert to fraction form
    2,015.35/2,779.93 = 1,268.02/x
  3. Step 3: Cross multiply
    2,015.35x = 2,779.93 × 1,268.02
  4. Step 4: Simplify right side
    2,015.35x = 3,525,006.84
  5. Step 5: Solve for x
    x = 3,525,006.84/2,015.35
  6. Step 6: Final answer
    x = 1,749.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.