Home / 1,962.90-2,709.36-1,373.58

Finding the Fourth Proportional to 1,962.90, 2,709.36 and 1,373.58

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Solution

The fourth proportional to 1,962.90, 2,709.36 and 1,373.58 is: 1,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.90 : 2,709.36 = 1,373.58 : x
  2. Step 2: Convert to fraction form
    1,962.90/2,709.36 = 1,373.58/x
  3. Step 3: Cross multiply
    1,962.90x = 2,709.36 × 1,373.58
  4. Step 4: Simplify right side
    1,962.90x = 3,721,522.71
  5. Step 5: Solve for x
    x = 3,721,522.71/1,962.90
  6. Step 6: Final answer
    x = 1,895.93

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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.