Home / 2,210.42-3,050.64-1,326.20

Finding the Fourth Proportional to 2,210.42, 3,050.64 and 1,326.20

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Solution

The fourth proportional to 2,210.42, 3,050.64 and 1,326.20 is: 1,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.42 : 3,050.64 = 1,326.20 : x
  2. Step 2: Convert to fraction form
    2,210.42/3,050.64 = 1,326.20/x
  3. Step 3: Cross multiply
    2,210.42x = 3,050.64 × 1,326.20
  4. Step 4: Simplify right side
    2,210.42x = 4,045,743.51
  5. Step 5: Solve for x
    x = 4,045,743.51/2,210.42
  6. Step 6: Final answer
    x = 1,830.30

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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.