Home / 2,907.33-4,012.10-1,581.04

Finding the Fourth Proportional to 2,907.33, 4,012.10 and 1,581.04

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Solution

The fourth proportional to 2,907.33, 4,012.10 and 1,581.04 is: 2,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.33 : 4,012.10 = 1,581.04 : x
  2. Step 2: Convert to fraction form
    2,907.33/4,012.10 = 1,581.04/x
  3. Step 3: Cross multiply
    2,907.33x = 4,012.10 × 1,581.04
  4. Step 4: Simplify right side
    2,907.33x = 6,343,271.05
  5. Step 5: Solve for x
    x = 6,343,271.05/2,907.33
  6. Step 6: Final answer
    x = 2,181.82

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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.