Home / 1,915.65-2,642.63-1,473.39

Finding the Fourth Proportional to 1,915.65, 2,642.63 and 1,473.39

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Solution

The fourth proportional to 1,915.65, 2,642.63 and 1,473.39 is: 2,032.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915.65 : 2,642.63 = 1,473.39 : x
  2. Step 2: Convert to fraction form
    1,915.65/2,642.63 = 1,473.39/x
  3. Step 3: Cross multiply
    1,915.65x = 2,642.63 × 1,473.39
  4. Step 4: Simplify right side
    1,915.65x = 3,893,617.25
  5. Step 5: Solve for x
    x = 3,893,617.25/1,915.65
  6. Step 6: Final answer
    x = 2,032.53

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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.