Home / 2,072.42-2,860.29-1,326.35

Finding the Fourth Proportional to 2,072.42, 2,860.29 and 1,326.35

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Solution

The fourth proportional to 2,072.42, 2,860.29 and 1,326.35 is: 1,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.42 : 2,860.29 = 1,326.35 : x
  2. Step 2: Convert to fraction form
    2,072.42/2,860.29 = 1,326.35/x
  3. Step 3: Cross multiply
    2,072.42x = 2,860.29 × 1,326.35
  4. Step 4: Simplify right side
    2,072.42x = 3,793,731.34
  5. Step 5: Solve for x
    x = 3,793,731.34/2,072.42
  6. Step 6: Final answer
    x = 1,830.58

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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.