Home / 3,070.76-4,603.64-2,630.32

Finding the Fourth Proportional to 3,070.76, 4,603.64 and 2,630.32

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Solution

The fourth proportional to 3,070.76, 4,603.64 and 2,630.32 is: 3,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.76 : 4,603.64 = 2,630.32 : x
  2. Step 2: Convert to fraction form
    3,070.76/4,603.64 = 2,630.32/x
  3. Step 3: Cross multiply
    3,070.76x = 4,603.64 × 2,630.32
  4. Step 4: Simplify right side
    3,070.76x = 12,109,046.36
  5. Step 5: Solve for x
    x = 12,109,046.36/3,070.76
  6. Step 6: Final answer
    x = 3,943.34

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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.