Home / 3,448.77-4,756.75-2,188.74

Finding the Fourth Proportional to 3,448.77, 4,756.75 and 2,188.74

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Solution

The fourth proportional to 3,448.77, 4,756.75 and 2,188.74 is: 3,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.77 : 4,756.75 = 2,188.74 : x
  2. Step 2: Convert to fraction form
    3,448.77/4,756.75 = 2,188.74/x
  3. Step 3: Cross multiply
    3,448.77x = 4,756.75 × 2,188.74
  4. Step 4: Simplify right side
    3,448.77x = 10,411,289.00
  5. Step 5: Solve for x
    x = 10,411,289.00/3,448.77
  6. Step 6: Final answer
    x = 3,018.84

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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.