Home / 2,621.84-3,618.66-1,503.53

Finding the Fourth Proportional to 2,621.84, 3,618.66 and 1,503.53

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Solution

The fourth proportional to 2,621.84, 3,618.66 and 1,503.53 is: 2,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.84 : 3,618.66 = 1,503.53 : x
  2. Step 2: Convert to fraction form
    2,621.84/3,618.66 = 1,503.53/x
  3. Step 3: Cross multiply
    2,621.84x = 3,618.66 × 1,503.53
  4. Step 4: Simplify right side
    2,621.84x = 5,440,776.88
  5. Step 5: Solve for x
    x = 5,440,776.88/2,621.84
  6. Step 6: Final answer
    x = 2,075.17

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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.