Home / 2,810.07-4,218.75-2,350.80

Finding the Fourth Proportional to 2,810.07, 4,218.75 and 2,350.80

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Solution

The fourth proportional to 2,810.07, 4,218.75 and 2,350.80 is: 3,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.07 : 4,218.75 = 2,350.80 : x
  2. Step 2: Convert to fraction form
    2,810.07/4,218.75 = 2,350.80/x
  3. Step 3: Cross multiply
    2,810.07x = 4,218.75 × 2,350.80
  4. Step 4: Simplify right side
    2,810.07x = 9,917,437.50
  5. Step 5: Solve for x
    x = 9,917,437.50/2,810.07
  6. Step 6: Final answer
    x = 3,529.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.