Home / 2,012.32-2,777.40-1,305.04

Finding the Fourth Proportional to 2,012.32, 2,777.40 and 1,305.04

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Solution

The fourth proportional to 2,012.32, 2,777.40 and 1,305.04 is: 1,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.32 : 2,777.40 = 1,305.04 : x
  2. Step 2: Convert to fraction form
    2,012.32/2,777.40 = 1,305.04/x
  3. Step 3: Cross multiply
    2,012.32x = 2,777.40 × 1,305.04
  4. Step 4: Simplify right side
    2,012.32x = 3,624,618.10
  5. Step 5: Solve for x
    x = 3,624,618.10/2,012.32
  6. Step 6: Final answer
    x = 1,801.21

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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.