Home / 1,726.02-2,589.21-555.75

Finding the Fourth Proportional to 1,726.02, 2,589.21 and 555.75

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Solution

The fourth proportional to 1,726.02, 2,589.21 and 555.75 is: 833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.02 : 2,589.21 = 555.75 : x
  2. Step 2: Convert to fraction form
    1,726.02/2,589.21 = 555.75/x
  3. Step 3: Cross multiply
    1,726.02x = 2,589.21 × 555.75
  4. Step 4: Simplify right side
    1,726.02x = 1,438,953.46
  5. Step 5: Solve for x
    x = 1,438,953.46/1,726.02
  6. Step 6: Final answer
    x = 833.68

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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.