Home / 2,107.04-2,907.55-1,210.59

Finding the Fourth Proportional to 2,107.04, 2,907.55 and 1,210.59

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Solution

The fourth proportional to 2,107.04, 2,907.55 and 1,210.59 is: 1,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.04 : 2,907.55 = 1,210.59 : x
  2. Step 2: Convert to fraction form
    2,107.04/2,907.55 = 1,210.59/x
  3. Step 3: Cross multiply
    2,107.04x = 2,907.55 × 1,210.59
  4. Step 4: Simplify right side
    2,107.04x = 3,519,850.95
  5. Step 5: Solve for x
    x = 3,519,850.95/2,107.04
  6. Step 6: Final answer
    x = 1,670.52

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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.