Home / 2,104.85-2,904.47-1,160.59

Finding the Fourth Proportional to 2,104.85, 2,904.47 and 1,160.59

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Solution

The fourth proportional to 2,104.85, 2,904.47 and 1,160.59 is: 1,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.85 : 2,904.47 = 1,160.59 : x
  2. Step 2: Convert to fraction form
    2,104.85/2,904.47 = 1,160.59/x
  3. Step 3: Cross multiply
    2,104.85x = 2,904.47 × 1,160.59
  4. Step 4: Simplify right side
    2,104.85x = 3,370,898.84
  5. Step 5: Solve for x
    x = 3,370,898.84/2,104.85
  6. Step 6: Final answer
    x = 1,601.49

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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.