Home / 1,930.32-2,896.08-632.16

Finding the Fourth Proportional to 1,930.32, 2,896.08 and 632.16

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Solution

The fourth proportional to 1,930.32, 2,896.08 and 632.16 is: 948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.32 : 2,896.08 = 632.16 : x
  2. Step 2: Convert to fraction form
    1,930.32/2,896.08 = 632.16/x
  3. Step 3: Cross multiply
    1,930.32x = 2,896.08 × 632.16
  4. Step 4: Simplify right side
    1,930.32x = 1,830,785.93
  5. Step 5: Solve for x
    x = 1,830,785.93/1,930.32
  6. Step 6: Final answer
    x = 948.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.