Home / 1,561.02-2,339.20-1,232.74

Finding the Fourth Proportional to 1,561.02, 2,339.20 and 1,232.74

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Solution

The fourth proportional to 1,561.02, 2,339.20 and 1,232.74 is: 1,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561.02 : 2,339.20 = 1,232.74 : x
  2. Step 2: Convert to fraction form
    1,561.02/2,339.20 = 1,232.74/x
  3. Step 3: Cross multiply
    1,561.02x = 2,339.20 × 1,232.74
  4. Step 4: Simplify right side
    1,561.02x = 2,883,625.41
  5. Step 5: Solve for x
    x = 2,883,625.41/1,561.02
  6. Step 6: Final answer
    x = 1,847.27

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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.