Home / 1,283.04-1,915.89-1,052.40

Finding the Fourth Proportional to 1,283.04, 1,915.89 and 1,052.40

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Solution

The fourth proportional to 1,283.04, 1,915.89 and 1,052.40 is: 1,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.04 : 1,915.89 = 1,052.40 : x
  2. Step 2: Convert to fraction form
    1,283.04/1,915.89 = 1,052.40/x
  3. Step 3: Cross multiply
    1,283.04x = 1,915.89 × 1,052.40
  4. Step 4: Simplify right side
    1,283.04x = 2,016,282.64
  5. Step 5: Solve for x
    x = 2,016,282.64/1,283.04
  6. Step 6: Final answer
    x = 1,571.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.