Home / 1,571.52-2,355.30-1,530.63

Finding the Fourth Proportional to 1,571.52, 2,355.30 and 1,530.63

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Solution

The fourth proportional to 1,571.52, 2,355.30 and 1,530.63 is: 2,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.52 : 2,355.30 = 1,530.63 : x
  2. Step 2: Convert to fraction form
    1,571.52/2,355.30 = 1,530.63/x
  3. Step 3: Cross multiply
    1,571.52x = 2,355.30 × 1,530.63
  4. Step 4: Simplify right side
    1,571.52x = 3,605,092.84
  5. Step 5: Solve for x
    x = 3,605,092.84/1,571.52
  6. Step 6: Final answer
    x = 2,294.02

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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.