Home / 1,032.08-1,423.32-957.56

Finding the Fourth Proportional to 1,032.08, 1,423.32 and 957.56

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Solution

The fourth proportional to 1,032.08, 1,423.32 and 957.56 is: 1,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.08 : 1,423.32 = 957.56 : x
  2. Step 2: Convert to fraction form
    1,032.08/1,423.32 = 957.56/x
  3. Step 3: Cross multiply
    1,032.08x = 1,423.32 × 957.56
  4. Step 4: Simplify right side
    1,032.08x = 1,362,914.30
  5. Step 5: Solve for x
    x = 1,362,914.30/1,032.08
  6. Step 6: Final answer
    x = 1,320.55

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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.