Home / 2,478.86-3,424.54-1,630.14

Finding the Fourth Proportional to 2,478.86, 3,424.54 and 1,630.14

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Solution

The fourth proportional to 2,478.86, 3,424.54 and 1,630.14 is: 2,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.86 : 3,424.54 = 1,630.14 : x
  2. Step 2: Convert to fraction form
    2,478.86/3,424.54 = 1,630.14/x
  3. Step 3: Cross multiply
    2,478.86x = 3,424.54 × 1,630.14
  4. Step 4: Simplify right side
    2,478.86x = 5,582,479.64
  5. Step 5: Solve for x
    x = 5,582,479.64/2,478.86
  6. Step 6: Final answer
    x = 2,252.04

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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.