Home / 2,653.66-3,661.46-1,605.52

Finding the Fourth Proportional to 2,653.66, 3,661.46 and 1,605.52

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Solution

The fourth proportional to 2,653.66, 3,661.46 and 1,605.52 is: 2,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.66 : 3,661.46 = 1,605.52 : x
  2. Step 2: Convert to fraction form
    2,653.66/3,661.46 = 1,605.52/x
  3. Step 3: Cross multiply
    2,653.66x = 3,661.46 × 1,605.52
  4. Step 4: Simplify right side
    2,653.66x = 5,878,547.26
  5. Step 5: Solve for x
    x = 5,878,547.26/2,653.66
  6. Step 6: Final answer
    x = 2,215.26

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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.