Home / 2,303.37-3,181.29-1,520.91

Finding the Fourth Proportional to 2,303.37, 3,181.29 and 1,520.91

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Solution

The fourth proportional to 2,303.37, 3,181.29 and 1,520.91 is: 2,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.37 : 3,181.29 = 1,520.91 : x
  2. Step 2: Convert to fraction form
    2,303.37/3,181.29 = 1,520.91/x
  3. Step 3: Cross multiply
    2,303.37x = 3,181.29 × 1,520.91
  4. Step 4: Simplify right side
    2,303.37x = 4,838,455.77
  5. Step 5: Solve for x
    x = 4,838,455.77/2,303.37
  6. Step 6: Final answer
    x = 2,100.60

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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.