Home / 2,400.14-3,313.02-1,405.74

Finding the Fourth Proportional to 2,400.14, 3,313.02 and 1,405.74

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Solution

The fourth proportional to 2,400.14, 3,313.02 and 1,405.74 is: 1,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.14 : 3,313.02 = 1,405.74 : x
  2. Step 2: Convert to fraction form
    2,400.14/3,313.02 = 1,405.74/x
  3. Step 3: Cross multiply
    2,400.14x = 3,313.02 × 1,405.74
  4. Step 4: Simplify right side
    2,400.14x = 4,657,244.73
  5. Step 5: Solve for x
    x = 4,657,244.73/2,400.14
  6. Step 6: Final answer
    x = 1,940.40

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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.