Home / 1,468.73-2,191.70-1,312.94

Finding the Fourth Proportional to 1,468.73, 2,191.70 and 1,312.94

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Solution

The fourth proportional to 1,468.73, 2,191.70 and 1,312.94 is: 1,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.73 : 2,191.70 = 1,312.94 : x
  2. Step 2: Convert to fraction form
    1,468.73/2,191.70 = 1,312.94/x
  3. Step 3: Cross multiply
    1,468.73x = 2,191.70 × 1,312.94
  4. Step 4: Simplify right side
    1,468.73x = 2,877,570.60
  5. Step 5: Solve for x
    x = 2,877,570.60/1,468.73
  6. Step 6: Final answer
    x = 1,959.22

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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.