Home / 1,623.29-2,240.55-960.35

Finding the Fourth Proportional to 1,623.29, 2,240.55 and 960.35

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Solution

The fourth proportional to 1,623.29, 2,240.55 and 960.35 is: 1,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.29 : 2,240.55 = 960.35 : x
  2. Step 2: Convert to fraction form
    1,623.29/2,240.55 = 960.35/x
  3. Step 3: Cross multiply
    1,623.29x = 2,240.55 × 960.35
  4. Step 4: Simplify right side
    1,623.29x = 2,151,700.99
  5. Step 5: Solve for x
    x = 2,151,700.99/1,623.29
  6. Step 6: Final answer
    x = 1,325.52

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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.