Home / 1,955.87-2,913.10-1,946.44

Finding the Fourth Proportional to 1,955.87, 2,913.10 and 1,946.44

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Solution

The fourth proportional to 1,955.87, 2,913.10 and 1,946.44 is: 2,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.87 : 2,913.10 = 1,946.44 : x
  2. Step 2: Convert to fraction form
    1,955.87/2,913.10 = 1,946.44/x
  3. Step 3: Cross multiply
    1,955.87x = 2,913.10 × 1,946.44
  4. Step 4: Simplify right side
    1,955.87x = 5,670,174.36
  5. Step 5: Solve for x
    x = 5,670,174.36/1,955.87
  6. Step 6: Final answer
    x = 2,899.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.