Home / 1,550.32-2,135.56-1,325.52

Finding the Fourth Proportional to 1,550.32, 2,135.56 and 1,325.52

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Solution

The fourth proportional to 1,550.32, 2,135.56 and 1,325.52 is: 1,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.32 : 2,135.56 = 1,325.52 : x
  2. Step 2: Convert to fraction form
    1,550.32/2,135.56 = 1,325.52/x
  3. Step 3: Cross multiply
    1,550.32x = 2,135.56 × 1,325.52
  4. Step 4: Simplify right side
    1,550.32x = 2,830,727.49
  5. Step 5: Solve for x
    x = 2,830,727.49/1,550.32
  6. Step 6: Final answer
    x = 1,825.90

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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.