Home / 3,015.81-4,526.43-1,784.34

Finding the Fourth Proportional to 3,015.81, 4,526.43 and 1,784.34

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Solution

The fourth proportional to 3,015.81, 4,526.43 and 1,784.34 is: 2,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.81 : 4,526.43 = 1,784.34 : x
  2. Step 2: Convert to fraction form
    3,015.81/4,526.43 = 1,784.34/x
  3. Step 3: Cross multiply
    3,015.81x = 4,526.43 × 1,784.34
  4. Step 4: Simplify right side
    3,015.81x = 8,076,690.11
  5. Step 5: Solve for x
    x = 8,076,690.11/3,015.81
  6. Step 6: Final answer
    x = 2,678.12

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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.