Home / 1,669.29-2,303.36-1,110.58

Finding the Fourth Proportional to 1,669.29, 2,303.36 and 1,110.58

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Solution

The fourth proportional to 1,669.29, 2,303.36 and 1,110.58 is: 1,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.29 : 2,303.36 = 1,110.58 : x
  2. Step 2: Convert to fraction form
    1,669.29/2,303.36 = 1,110.58/x
  3. Step 3: Cross multiply
    1,669.29x = 2,303.36 × 1,110.58
  4. Step 4: Simplify right side
    1,669.29x = 2,558,065.55
  5. Step 5: Solve for x
    x = 2,558,065.55/1,669.29
  6. Step 6: Final answer
    x = 1,532.43

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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.