Home / 1,664.63-2,298.08-1,001.63

Finding the Fourth Proportional to 1,664.63, 2,298.08 and 1,001.63

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Solution

The fourth proportional to 1,664.63, 2,298.08 and 1,001.63 is: 1,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.63 : 2,298.08 = 1,001.63 : x
  2. Step 2: Convert to fraction form
    1,664.63/2,298.08 = 1,001.63/x
  3. Step 3: Cross multiply
    1,664.63x = 2,298.08 × 1,001.63
  4. Step 4: Simplify right side
    1,664.63x = 2,301,825.87
  5. Step 5: Solve for x
    x = 2,301,825.87/1,664.63
  6. Step 6: Final answer
    x = 1,382.79

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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.