Home / 2,210.65-3,050.80-1,326.33

Finding the Fourth Proportional to 2,210.65, 3,050.80 and 1,326.33

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Solution

The fourth proportional to 2,210.65, 3,050.80 and 1,326.33 is: 1,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.65 : 3,050.80 = 1,326.33 : x
  2. Step 2: Convert to fraction form
    2,210.65/3,050.80 = 1,326.33/x
  3. Step 3: Cross multiply
    2,210.65x = 3,050.80 × 1,326.33
  4. Step 4: Simplify right side
    2,210.65x = 4,046,364.25
  5. Step 5: Solve for x
    x = 4,046,364.25/2,210.65
  6. Step 6: Final answer
    x = 1,830.40

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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.