Home / 1,573.28-2,359.44-1,264.40

Finding the Fourth Proportional to 1,573.28, 2,359.44 and 1,264.40

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Solution

The fourth proportional to 1,573.28, 2,359.44 and 1,264.40 is: 1,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.28 : 2,359.44 = 1,264.40 : x
  2. Step 2: Convert to fraction form
    1,573.28/2,359.44 = 1,264.40/x
  3. Step 3: Cross multiply
    1,573.28x = 2,359.44 × 1,264.40
  4. Step 4: Simplify right side
    1,573.28x = 2,983,275.94
  5. Step 5: Solve for x
    x = 2,983,275.94/1,573.28
  6. Step 6: Final answer
    x = 1,896.21

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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.