Home / 2,094.28-2,890.86-1,308.04

Finding the Fourth Proportional to 2,094.28, 2,890.86 and 1,308.04

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Solution

The fourth proportional to 2,094.28, 2,890.86 and 1,308.04 is: 1,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.28 : 2,890.86 = 1,308.04 : x
  2. Step 2: Convert to fraction form
    2,094.28/2,890.86 = 1,308.04/x
  3. Step 3: Cross multiply
    2,094.28x = 2,890.86 × 1,308.04
  4. Step 4: Simplify right side
    2,094.28x = 3,781,360.51
  5. Step 5: Solve for x
    x = 3,781,360.51/2,094.28
  6. Step 6: Final answer
    x = 1,805.57

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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.