Home / 3,004.17-4,145.55-1,678.01

Finding the Fourth Proportional to 3,004.17, 4,145.55 and 1,678.01

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Solution

The fourth proportional to 3,004.17, 4,145.55 and 1,678.01 is: 2,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.17 : 4,145.55 = 1,678.01 : x
  2. Step 2: Convert to fraction form
    3,004.17/4,145.55 = 1,678.01/x
  3. Step 3: Cross multiply
    3,004.17x = 4,145.55 × 1,678.01
  4. Step 4: Simplify right side
    3,004.17x = 6,956,253.63
  5. Step 5: Solve for x
    x = 6,956,253.63/3,004.17
  6. Step 6: Final answer
    x = 2,315.53

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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.