Home / 2,377.51-3,280.70-1,382.99

Finding the Fourth Proportional to 2,377.51, 3,280.70 and 1,382.99

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Solution

The fourth proportional to 2,377.51, 3,280.70 and 1,382.99 is: 1,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.51 : 3,280.70 = 1,382.99 : x
  2. Step 2: Convert to fraction form
    2,377.51/3,280.70 = 1,382.99/x
  3. Step 3: Cross multiply
    2,377.51x = 3,280.70 × 1,382.99
  4. Step 4: Simplify right side
    2,377.51x = 4,537,162.35
  5. Step 5: Solve for x
    x = 4,537,162.35/2,377.51
  6. Step 6: Final answer
    x = 1,908.37

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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.