Home / 1,684.74-2,326.14-1,294.32

Finding the Fourth Proportional to 1,684.74, 2,326.14 and 1,294.32

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Solution

The fourth proportional to 1,684.74, 2,326.14 and 1,294.32 is: 1,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.74 : 2,326.14 = 1,294.32 : x
  2. Step 2: Convert to fraction form
    1,684.74/2,326.14 = 1,294.32/x
  3. Step 3: Cross multiply
    1,684.74x = 2,326.14 × 1,294.32
  4. Step 4: Simplify right side
    1,684.74x = 3,010,769.52
  5. Step 5: Solve for x
    x = 3,010,769.52/1,684.74
  6. Step 6: Final answer
    x = 1,787.08

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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.