Home / 2,091.04-2,885.40-1,294

Finding the Fourth Proportional to 2,091.04, 2,885.40 and 1,294

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Solution

The fourth proportional to 2,091.04, 2,885.40 and 1,294 is: 1,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.04 : 2,885.40 = 1,294 : x
  2. Step 2: Convert to fraction form
    2,091.04/2,885.40 = 1,294/x
  3. Step 3: Cross multiply
    2,091.04x = 2,885.40 × 1,294
  4. Step 4: Simplify right side
    2,091.04x = 3,733,707.60
  5. Step 5: Solve for x
    x = 3,733,707.60/2,091.04
  6. Step 6: Final answer
    x = 1,785.57

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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.