Home / 1,025.55-1,415.34-583.56

Finding the Fourth Proportional to 1,025.55, 1,415.34 and 583.56

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Solution

The fourth proportional to 1,025.55, 1,415.34 and 583.56 is: 805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.55 : 1,415.34 = 583.56 : x
  2. Step 2: Convert to fraction form
    1,025.55/1,415.34 = 583.56/x
  3. Step 3: Cross multiply
    1,025.55x = 1,415.34 × 583.56
  4. Step 4: Simplify right side
    1,025.55x = 825,935.81
  5. Step 5: Solve for x
    x = 825,935.81/1,025.55
  6. Step 6: Final answer
    x = 805.36

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1.5x scale

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.