Home / 1,669.01-2,303.03-1,005.92

Finding the Fourth Proportional to 1,669.01, 2,303.03 and 1,005.92

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Solution

The fourth proportional to 1,669.01, 2,303.03 and 1,005.92 is: 1,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.01 : 2,303.03 = 1,005.92 : x
  2. Step 2: Convert to fraction form
    1,669.01/2,303.03 = 1,005.92/x
  3. Step 3: Cross multiply
    1,669.01x = 2,303.03 × 1,005.92
  4. Step 4: Simplify right side
    1,669.01x = 2,316,663.57
  5. Step 5: Solve for x
    x = 2,316,663.57/1,669.01
  6. Step 6: Final answer
    x = 1,388.05

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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.