Home / 1,276.59-1,915.29-583.23

Finding the Fourth Proportional to 1,276.59, 1,915.29 and 583.23

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Solution

The fourth proportional to 1,276.59, 1,915.29 and 583.23 is: 875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276.59 : 1,915.29 = 583.23 : x
  2. Step 2: Convert to fraction form
    1,276.59/1,915.29 = 583.23/x
  3. Step 3: Cross multiply
    1,276.59x = 1,915.29 × 583.23
  4. Step 4: Simplify right side
    1,276.59x = 1,117,054.59
  5. Step 5: Solve for x
    x = 1,117,054.59/1,276.59
  6. Step 6: Final answer
    x = 875.03

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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.