Home / 1,511.06-2,266.23-415.51

Finding the Fourth Proportional to 1,511.06, 2,266.23 and 415.51

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Solution

The fourth proportional to 1,511.06, 2,266.23 and 415.51 is: 623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.06 : 2,266.23 = 415.51 : x
  2. Step 2: Convert to fraction form
    1,511.06/2,266.23 = 415.51/x
  3. Step 3: Cross multiply
    1,511.06x = 2,266.23 × 415.51
  4. Step 4: Simplify right side
    1,511.06x = 941,629.90
  5. Step 5: Solve for x
    x = 941,629.90/1,511.06
  6. Step 6: Final answer
    x = 623.16

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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.