Home / 2,864.63-3,950.54-1,907.15

Finding the Fourth Proportional to 2,864.63, 3,950.54 and 1,907.15

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Solution

The fourth proportional to 2,864.63, 3,950.54 and 1,907.15 is: 2,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.63 : 3,950.54 = 1,907.15 : x
  2. Step 2: Convert to fraction form
    2,864.63/3,950.54 = 1,907.15/x
  3. Step 3: Cross multiply
    2,864.63x = 3,950.54 × 1,907.15
  4. Step 4: Simplify right side
    2,864.63x = 7,534,250.22
  5. Step 5: Solve for x
    x = 7,534,250.22/2,864.63
  6. Step 6: Final answer
    x = 2,630.09

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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.