Home / 2,678.04-3,697.02-2,043.36

Finding the Fourth Proportional to 2,678.04, 3,697.02 and 2,043.36

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Solution

The fourth proportional to 2,678.04, 3,697.02 and 2,043.36 is: 2,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.04 : 3,697.02 = 2,043.36 : x
  2. Step 2: Convert to fraction form
    2,678.04/3,697.02 = 2,043.36/x
  3. Step 3: Cross multiply
    2,678.04x = 3,697.02 × 2,043.36
  4. Step 4: Simplify right side
    2,678.04x = 7,554,342.79
  5. Step 5: Solve for x
    x = 7,554,342.79/2,678.04
  6. Step 6: Final answer
    x = 2,820.85

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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.