Home / 2,104.74-2,904.57-1,358.73

Finding the Fourth Proportional to 2,104.74, 2,904.57 and 1,358.73

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Solution

The fourth proportional to 2,104.74, 2,904.57 and 1,358.73 is: 1,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.74 : 2,904.57 = 1,358.73 : x
  2. Step 2: Convert to fraction form
    2,104.74/2,904.57 = 1,358.73/x
  3. Step 3: Cross multiply
    2,104.74x = 2,904.57 × 1,358.73
  4. Step 4: Simplify right side
    2,104.74x = 3,946,526.40
  5. Step 5: Solve for x
    x = 3,946,526.40/2,104.74
  6. Step 6: Final answer
    x = 1,875.07

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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.