Home / 1,685.24-2,527.50-514.98

Finding the Fourth Proportional to 1,685.24, 2,527.50 and 514.98

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Solution

The fourth proportional to 1,685.24, 2,527.50 and 514.98 is: 772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.24 : 2,527.50 = 514.98 : x
  2. Step 2: Convert to fraction form
    1,685.24/2,527.50 = 514.98/x
  3. Step 3: Cross multiply
    1,685.24x = 2,527.50 × 514.98
  4. Step 4: Simplify right side
    1,685.24x = 1,301,611.95
  5. Step 5: Solve for x
    x = 1,301,611.95/1,685.24
  6. Step 6: Final answer
    x = 772.36

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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.