Home / 3,149.51-4,724.13-1,300.10

Finding the Fourth Proportional to 3,149.51, 4,724.13 and 1,300.10

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Solution

The fourth proportional to 3,149.51, 4,724.13 and 1,300.10 is: 1,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.51 : 4,724.13 = 1,300.10 : x
  2. Step 2: Convert to fraction form
    3,149.51/4,724.13 = 1,300.10/x
  3. Step 3: Cross multiply
    3,149.51x = 4,724.13 × 1,300.10
  4. Step 4: Simplify right side
    3,149.51x = 6,141,841.41
  5. Step 5: Solve for x
    x = 6,141,841.41/3,149.51
  6. Step 6: Final answer
    x = 1,950.09

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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.