Home / 2,015.16-2,779.32-1,779.36

Finding the Fourth Proportional to 2,015.16, 2,779.32 and 1,779.36

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Solution

The fourth proportional to 2,015.16, 2,779.32 and 1,779.36 is: 2,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.16 : 2,779.32 = 1,779.36 : x
  2. Step 2: Convert to fraction form
    2,015.16/2,779.32 = 1,779.36/x
  3. Step 3: Cross multiply
    2,015.16x = 2,779.32 × 1,779.36
  4. Step 4: Simplify right side
    2,015.16x = 4,945,410.84
  5. Step 5: Solve for x
    x = 4,945,410.84/2,015.16
  6. Step 6: Final answer
    x = 2,454.10

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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.