Home / 3,151.32-4,728.14-1,302.60

Finding the Fourth Proportional to 3,151.32, 4,728.14 and 1,302.60

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Solution

The fourth proportional to 3,151.32, 4,728.14 and 1,302.60 is: 1,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.32 : 4,728.14 = 1,302.60 : x
  2. Step 2: Convert to fraction form
    3,151.32/4,728.14 = 1,302.60/x
  3. Step 3: Cross multiply
    3,151.32x = 4,728.14 × 1,302.60
  4. Step 4: Simplify right side
    3,151.32x = 6,158,875.16
  5. Step 5: Solve for x
    x = 6,158,875.16/3,151.32
  6. Step 6: Final answer
    x = 1,954.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.