Home / 2,907.79-4,010.95-2,535.66

Finding the Fourth Proportional to 2,907.79, 4,010.95 and 2,535.66

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Solution

The fourth proportional to 2,907.79, 4,010.95 and 2,535.66 is: 3,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.79 : 4,010.95 = 2,535.66 : x
  2. Step 2: Convert to fraction form
    2,907.79/4,010.95 = 2,535.66/x
  3. Step 3: Cross multiply
    2,907.79x = 4,010.95 × 2,535.66
  4. Step 4: Simplify right side
    2,907.79x = 10,170,405.48
  5. Step 5: Solve for x
    x = 10,170,405.48/2,907.79
  6. Step 6: Final answer
    x = 3,497.64

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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.