Home / 1,671.35-2,507.93-1,055.34

Finding the Fourth Proportional to 1,671.35, 2,507.93 and 1,055.34

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Solution

The fourth proportional to 1,671.35, 2,507.93 and 1,055.34 is: 1,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.35 : 2,507.93 = 1,055.34 : x
  2. Step 2: Convert to fraction form
    1,671.35/2,507.93 = 1,055.34/x
  3. Step 3: Cross multiply
    1,671.35x = 2,507.93 × 1,055.34
  4. Step 4: Simplify right side
    1,671.35x = 2,646,713.57
  5. Step 5: Solve for x
    x = 2,646,713.57/1,671.35
  6. Step 6: Final answer
    x = 1,583.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.