Home / 1,661.26-2,477.23-1,646.45

Finding the Fourth Proportional to 1,661.26, 2,477.23 and 1,646.45

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Solution

The fourth proportional to 1,661.26, 2,477.23 and 1,646.45 is: 2,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.26 : 2,477.23 = 1,646.45 : x
  2. Step 2: Convert to fraction form
    1,661.26/2,477.23 = 1,646.45/x
  3. Step 3: Cross multiply
    1,661.26x = 2,477.23 × 1,646.45
  4. Step 4: Simplify right side
    1,661.26x = 4,078,635.33
  5. Step 5: Solve for x
    x = 4,078,635.33/1,661.26
  6. Step 6: Final answer
    x = 2,455.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.