Home / 1,432.24-1,963.62-1,406.32

Finding the Fourth Proportional to 1,432.24, 1,963.62 and 1,406.32

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Solution

The fourth proportional to 1,432.24, 1,963.62 and 1,406.32 is: 1,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.24 : 1,963.62 = 1,406.32 : x
  2. Step 2: Convert to fraction form
    1,432.24/1,963.62 = 1,406.32/x
  3. Step 3: Cross multiply
    1,432.24x = 1,963.62 × 1,406.32
  4. Step 4: Simplify right side
    1,432.24x = 2,761,478.08
  5. Step 5: Solve for x
    x = 2,761,478.08/1,432.24
  6. Step 6: Final answer
    x = 1,928.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.