Home / 1,026.01-1,415.80-583.90

Finding the Fourth Proportional to 1,026.01, 1,415.80 and 583.90

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Solution

The fourth proportional to 1,026.01, 1,415.80 and 583.90 is: 805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.01 : 1,415.80 = 583.90 : x
  2. Step 2: Convert to fraction form
    1,026.01/1,415.80 = 583.90/x
  3. Step 3: Cross multiply
    1,026.01x = 1,415.80 × 583.90
  4. Step 4: Simplify right side
    1,026.01x = 826,685.62
  5. Step 5: Solve for x
    x = 826,685.62/1,026.01
  6. Step 6: Final answer
    x = 805.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.