Home / 2,900.30-4,341.92-1,801.32

Finding the Fourth Proportional to 2,900.30, 4,341.92 and 1,801.32

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Solution

The fourth proportional to 2,900.30, 4,341.92 and 1,801.32 is: 2,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.30 : 4,341.92 = 1,801.32 : x
  2. Step 2: Convert to fraction form
    2,900.30/4,341.92 = 1,801.32/x
  3. Step 3: Cross multiply
    2,900.30x = 4,341.92 × 1,801.32
  4. Step 4: Simplify right side
    2,900.30x = 7,821,178.33
  5. Step 5: Solve for x
    x = 7,821,178.33/2,900.30
  6. Step 6: Final answer
    x = 2,696.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.