Home / 1,750.71-2,618.31-1,557.07

Finding the Fourth Proportional to 1,750.71, 2,618.31 and 1,557.07

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Solution

The fourth proportional to 1,750.71, 2,618.31 and 1,557.07 is: 2,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.71 : 2,618.31 = 1,557.07 : x
  2. Step 2: Convert to fraction form
    1,750.71/2,618.31 = 1,557.07/x
  3. Step 3: Cross multiply
    1,750.71x = 2,618.31 × 1,557.07
  4. Step 4: Simplify right side
    1,750.71x = 4,076,891.95
  5. Step 5: Solve for x
    x = 4,076,891.95/1,750.71
  6. Step 6: Final answer
    x = 2,328.71

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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.