Home / 2,655.99-3,664.59-1,816.95

Finding the Fourth Proportional to 2,655.99, 3,664.59 and 1,816.95

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Solution

The fourth proportional to 2,655.99, 3,664.59 and 1,816.95 is: 2,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.99 : 3,664.59 = 1,816.95 : x
  2. Step 2: Convert to fraction form
    2,655.99/3,664.59 = 1,816.95/x
  3. Step 3: Cross multiply
    2,655.99x = 3,664.59 × 1,816.95
  4. Step 4: Simplify right side
    2,655.99x = 6,658,373.34
  5. Step 5: Solve for x
    x = 6,658,373.34/2,655.99
  6. Step 6: Final answer
    x = 2,506.93

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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.