Home / 1,373.40-2,058.36-795.60

Finding the Fourth Proportional to 1,373.40, 2,058.36 and 795.60

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Solution

The fourth proportional to 1,373.40, 2,058.36 and 795.60 is: 1,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.40 : 2,058.36 = 795.60 : x
  2. Step 2: Convert to fraction form
    1,373.40/2,058.36 = 795.60/x
  3. Step 3: Cross multiply
    1,373.40x = 2,058.36 × 795.60
  4. Step 4: Simplify right side
    1,373.40x = 1,637,631.22
  5. Step 5: Solve for x
    x = 1,637,631.22/1,373.40
  6. Step 6: Final answer
    x = 1,192.39

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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.