Home / 3,803.63-5,248.67-2,124.50

Finding the Fourth Proportional to 3,803.63, 5,248.67 and 2,124.50

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Solution

The fourth proportional to 3,803.63, 5,248.67 and 2,124.50 is: 2,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.63 : 5,248.67 = 2,124.50 : x
  2. Step 2: Convert to fraction form
    3,803.63/5,248.67 = 2,124.50/x
  3. Step 3: Cross multiply
    3,803.63x = 5,248.67 × 2,124.50
  4. Step 4: Simplify right side
    3,803.63x = 11,150,762.55
  5. Step 5: Solve for x
    x = 11,150,762.55/3,803.63
  6. Step 6: Final answer
    x = 2,931.61

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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.