Home / 3,150.63-4,347.47-1,824.32

Finding the Fourth Proportional to 3,150.63, 4,347.47 and 1,824.32

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Solution

The fourth proportional to 3,150.63, 4,347.47 and 1,824.32 is: 2,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.63 : 4,347.47 = 1,824.32 : x
  2. Step 2: Convert to fraction form
    3,150.63/4,347.47 = 1,824.32/x
  3. Step 3: Cross multiply
    3,150.63x = 4,347.47 × 1,824.32
  4. Step 4: Simplify right side
    3,150.63x = 7,931,191.90
  5. Step 5: Solve for x
    x = 7,931,191.90/3,150.63
  6. Step 6: Final answer
    x = 2,517.34

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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.