Home / 2,455.29-3,386.34-2,012.22

Finding the Fourth Proportional to 2,455.29, 3,386.34 and 2,012.22

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Solution

The fourth proportional to 2,455.29, 3,386.34 and 2,012.22 is: 2,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.29 : 3,386.34 = 2,012.22 : x
  2. Step 2: Convert to fraction form
    2,455.29/3,386.34 = 2,012.22/x
  3. Step 3: Cross multiply
    2,455.29x = 3,386.34 × 2,012.22
  4. Step 4: Simplify right side
    2,455.29x = 6,814,061.07
  5. Step 5: Solve for x
    x = 6,814,061.07/2,455.29
  6. Step 6: Final answer
    x = 2,775.26

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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.