Home / 2,376.04-3,278.96-1,328.16

Finding the Fourth Proportional to 2,376.04, 3,278.96 and 1,328.16

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Solution

The fourth proportional to 2,376.04, 3,278.96 and 1,328.16 is: 1,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.04 : 3,278.96 = 1,328.16 : x
  2. Step 2: Convert to fraction form
    2,376.04/3,278.96 = 1,328.16/x
  3. Step 3: Cross multiply
    2,376.04x = 3,278.96 × 1,328.16
  4. Step 4: Simplify right side
    2,376.04x = 4,354,983.51
  5. Step 5: Solve for x
    x = 4,354,983.51/2,376.04
  6. Step 6: Final answer
    x = 1,832.87

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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.