Home / 3,075.84-4,237.65-2,868.06

Finding the Fourth Proportional to 3,075.84, 4,237.65 and 2,868.06

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Solution

The fourth proportional to 3,075.84, 4,237.65 and 2,868.06 is: 3,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.84 : 4,237.65 = 2,868.06 : x
  2. Step 2: Convert to fraction form
    3,075.84/4,237.65 = 2,868.06/x
  3. Step 3: Cross multiply
    3,075.84x = 4,237.65 × 2,868.06
  4. Step 4: Simplify right side
    3,075.84x = 12,153,834.46
  5. Step 5: Solve for x
    x = 12,153,834.46/3,075.84
  6. Step 6: Final answer
    x = 3,951.39

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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.