Home / 1,718.65-2,573.60-1,440.27

Finding the Fourth Proportional to 1,718.65, 2,573.60 and 1,440.27

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Solution

The fourth proportional to 1,718.65, 2,573.60 and 1,440.27 is: 2,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.65 : 2,573.60 = 1,440.27 : x
  2. Step 2: Convert to fraction form
    1,718.65/2,573.60 = 1,440.27/x
  3. Step 3: Cross multiply
    1,718.65x = 2,573.60 × 1,440.27
  4. Step 4: Simplify right side
    1,718.65x = 3,706,666.00
  5. Step 5: Solve for x
    x = 3,706,666.00/1,718.65
  6. Step 6: Final answer
    x = 2,156.74

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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.