Home / 3,674.84-5,070.93-2,102.90

Finding the Fourth Proportional to 3,674.84, 5,070.93 and 2,102.90

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Solution

The fourth proportional to 3,674.84, 5,070.93 and 2,102.90 is: 2,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.84 : 5,070.93 = 2,102.90 : x
  2. Step 2: Convert to fraction form
    3,674.84/5,070.93 = 2,102.90/x
  3. Step 3: Cross multiply
    3,674.84x = 5,070.93 × 2,102.90
  4. Step 4: Simplify right side
    3,674.84x = 10,663,633.34
  5. Step 5: Solve for x
    x = 10,663,633.34/3,674.84
  6. Step 6: Final answer
    x = 2,901.80

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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.