Home / 2,710.45-4,065.68-1,130.95

Finding the Fourth Proportional to 2,710.45, 4,065.68 and 1,130.95

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Solution

The fourth proportional to 2,710.45, 4,065.68 and 1,130.95 is: 1,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.45 : 4,065.68 = 1,130.95 : x
  2. Step 2: Convert to fraction form
    2,710.45/4,065.68 = 1,130.95/x
  3. Step 3: Cross multiply
    2,710.45x = 4,065.68 × 1,130.95
  4. Step 4: Simplify right side
    2,710.45x = 4,598,080.80
  5. Step 5: Solve for x
    x = 4,598,080.80/2,710.45
  6. Step 6: Final answer
    x = 1,696.43

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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.