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Finding the Fourth Proportional to 1,303.95, 1,943.84 and 1,283.97

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Solution

The fourth proportional to 1,303.95, 1,943.84 and 1,283.97 is: 1,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.95 : 1,943.84 = 1,283.97 : x
  2. Step 2: Convert to fraction form
    1,303.95/1,943.84 = 1,283.97/x
  3. Step 3: Cross multiply
    1,303.95x = 1,943.84 × 1,283.97
  4. Step 4: Simplify right side
    1,303.95x = 2,495,832.24
  5. Step 5: Solve for x
    x = 2,495,832.24/1,303.95
  6. Step 6: Final answer
    x = 1,914.06

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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.