Home / 2,114.08-2,911.44-1,918.24

Finding the Fourth Proportional to 2,114.08, 2,911.44 and 1,918.24

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Solution

The fourth proportional to 2,114.08, 2,911.44 and 1,918.24 is: 2,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.08 : 2,911.44 = 1,918.24 : x
  2. Step 2: Convert to fraction form
    2,114.08/2,911.44 = 1,918.24/x
  3. Step 3: Cross multiply
    2,114.08x = 2,911.44 × 1,918.24
  4. Step 4: Simplify right side
    2,114.08x = 5,584,840.67
  5. Step 5: Solve for x
    x = 5,584,840.67/2,114.08
  6. Step 6: Final answer
    x = 2,641.74

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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.