Home / 3,070.76-4,607.79-1,339.28

Finding the Fourth Proportional to 3,070.76, 4,607.79 and 1,339.28

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Solution

The fourth proportional to 3,070.76, 4,607.79 and 1,339.28 is: 2,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.76 : 4,607.79 = 1,339.28 : x
  2. Step 2: Convert to fraction form
    3,070.76/4,607.79 = 1,339.28/x
  3. Step 3: Cross multiply
    3,070.76x = 4,607.79 × 1,339.28
  4. Step 4: Simplify right side
    3,070.76x = 6,171,120.99
  5. Step 5: Solve for x
    x = 6,171,120.99/3,070.76
  6. Step 6: Final answer
    x = 2,009.64

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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.