Home / 3,030.84-4,184.01-1,983.60

Finding the Fourth Proportional to 3,030.84, 4,184.01 and 1,983.60

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Solution

The fourth proportional to 3,030.84, 4,184.01 and 1,983.60 is: 2,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.84 : 4,184.01 = 1,983.60 : x
  2. Step 2: Convert to fraction form
    3,030.84/4,184.01 = 1,983.60/x
  3. Step 3: Cross multiply
    3,030.84x = 4,184.01 × 1,983.60
  4. Step 4: Simplify right side
    3,030.84x = 8,299,402.24
  5. Step 5: Solve for x
    x = 8,299,402.24/3,030.84
  6. Step 6: Final answer
    x = 2,738.32

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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.