Home / 2,036.48-2,805.44-1,680.90

Finding the Fourth Proportional to 2,036.48, 2,805.44 and 1,680.90

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Solution

The fourth proportional to 2,036.48, 2,805.44 and 1,680.90 is: 2,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.48 : 2,805.44 = 1,680.90 : x
  2. Step 2: Convert to fraction form
    2,036.48/2,805.44 = 1,680.90/x
  3. Step 3: Cross multiply
    2,036.48x = 2,805.44 × 1,680.90
  4. Step 4: Simplify right side
    2,036.48x = 4,715,664.10
  5. Step 5: Solve for x
    x = 4,715,664.10/2,036.48
  6. Step 6: Final answer
    x = 2,315.60

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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.