Home / 2,955.86-4,075.65-2,208.50

Finding the Fourth Proportional to 2,955.86, 4,075.65 and 2,208.50

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Solution

The fourth proportional to 2,955.86, 4,075.65 and 2,208.50 is: 3,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.86 : 4,075.65 = 2,208.50 : x
  2. Step 2: Convert to fraction form
    2,955.86/4,075.65 = 2,208.50/x
  3. Step 3: Cross multiply
    2,955.86x = 4,075.65 × 2,208.50
  4. Step 4: Simplify right side
    2,955.86x = 9,001,083.21
  5. Step 5: Solve for x
    x = 9,001,083.21/2,955.86
  6. Step 6: Final answer
    x = 3,045.16

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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.