Home / 2,400.35-3,312.41-1,352.39

Finding the Fourth Proportional to 2,400.35, 3,312.41 and 1,352.39

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Solution

The fourth proportional to 2,400.35, 3,312.41 and 1,352.39 is: 1,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.35 : 3,312.41 = 1,352.39 : x
  2. Step 2: Convert to fraction form
    2,400.35/3,312.41 = 1,352.39/x
  3. Step 3: Cross multiply
    2,400.35x = 3,312.41 × 1,352.39
  4. Step 4: Simplify right side
    2,400.35x = 4,479,646.84
  5. Step 5: Solve for x
    x = 4,479,646.84/2,400.35
  6. Step 6: Final answer
    x = 1,866.25

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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.