Home / 1,025.64-1,415.40-583.51

Finding the Fourth Proportional to 1,025.64, 1,415.40 and 583.51

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Solution

The fourth proportional to 1,025.64, 1,415.40 and 583.51 is: 805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.64 : 1,415.40 = 583.51 : x
  2. Step 2: Convert to fraction form
    1,025.64/1,415.40 = 583.51/x
  3. Step 3: Cross multiply
    1,025.64x = 1,415.40 × 583.51
  4. Step 4: Simplify right side
    1,025.64x = 825,900.05
  5. Step 5: Solve for x
    x = 825,900.05/1,025.64
  6. Step 6: Final answer
    x = 805.25

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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.