Home / 1,664.47-2,294.84-1,364.63

Finding the Fourth Proportional to 1,664.47, 2,294.84 and 1,364.63

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Solution

The fourth proportional to 1,664.47, 2,294.84 and 1,364.63 is: 1,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.47 : 2,294.84 = 1,364.63 : x
  2. Step 2: Convert to fraction form
    1,664.47/2,294.84 = 1,364.63/x
  3. Step 3: Cross multiply
    1,664.47x = 2,294.84 × 1,364.63
  4. Step 4: Simplify right side
    1,664.47x = 3,131,600.69
  5. Step 5: Solve for x
    x = 3,131,600.69/1,664.47
  6. Step 6: Final answer
    x = 1,881.44

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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.