Home / 1,740.24-2,611.98-1,438.92

Finding the Fourth Proportional to 1,740.24, 2,611.98 and 1,438.92

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Solution

The fourth proportional to 1,740.24, 2,611.98 and 1,438.92 is: 2,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.24 : 2,611.98 = 1,438.92 : x
  2. Step 2: Convert to fraction form
    1,740.24/2,611.98 = 1,438.92/x
  3. Step 3: Cross multiply
    1,740.24x = 2,611.98 × 1,438.92
  4. Step 4: Simplify right side
    1,740.24x = 3,758,430.26
  5. Step 5: Solve for x
    x = 3,758,430.26/1,740.24
  6. Step 6: Final answer
    x = 2,159.72

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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.