Home / 2,900.34-4,001.56-1,704.95

Finding the Fourth Proportional to 2,900.34, 4,001.56 and 1,704.95

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Solution

The fourth proportional to 2,900.34, 4,001.56 and 1,704.95 is: 2,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.34 : 4,001.56 = 1,704.95 : x
  2. Step 2: Convert to fraction form
    2,900.34/4,001.56 = 1,704.95/x
  3. Step 3: Cross multiply
    2,900.34x = 4,001.56 × 1,704.95
  4. Step 4: Simplify right side
    2,900.34x = 6,822,451.66
  5. Step 5: Solve for x
    x = 6,822,451.66/2,900.34
  6. Step 6: Final answer
    x = 2,352.29

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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.