Home / 1,025.90-1,415.52-583.70

Finding the Fourth Proportional to 1,025.90, 1,415.52 and 583.70

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Solution

The fourth proportional to 1,025.90, 1,415.52 and 583.70 is: 805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.90 : 1,415.52 = 583.70 : x
  2. Step 2: Convert to fraction form
    1,025.90/1,415.52 = 583.70/x
  3. Step 3: Cross multiply
    1,025.90x = 1,415.52 × 583.70
  4. Step 4: Simplify right side
    1,025.90x = 826,239.02
  5. Step 5: Solve for x
    x = 826,239.02/1,025.90
  6. Step 6: Final answer
    x = 805.38

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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.