Home / 3,385.51-5,075.88-1,303.77

Finding the Fourth Proportional to 3,385.51, 5,075.88 and 1,303.77

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Solution

The fourth proportional to 3,385.51, 5,075.88 and 1,303.77 is: 1,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.51 : 5,075.88 = 1,303.77 : x
  2. Step 2: Convert to fraction form
    3,385.51/5,075.88 = 1,303.77/x
  3. Step 3: Cross multiply
    3,385.51x = 5,075.88 × 1,303.77
  4. Step 4: Simplify right side
    3,385.51x = 6,617,780.07
  5. Step 5: Solve for x
    x = 6,617,780.07/3,385.51
  6. Step 6: Final answer
    x = 1,954.74

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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.