Home / 2,421.37-3,341.07-1,426.84

Finding the Fourth Proportional to 2,421.37, 3,341.07 and 1,426.84

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Solution

The fourth proportional to 2,421.37, 3,341.07 and 1,426.84 is: 1,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.37 : 3,341.07 = 1,426.84 : x
  2. Step 2: Convert to fraction form
    2,421.37/3,341.07 = 1,426.84/x
  3. Step 3: Cross multiply
    2,421.37x = 3,341.07 × 1,426.84
  4. Step 4: Simplify right side
    2,421.37x = 4,767,172.32
  5. Step 5: Solve for x
    x = 4,767,172.32/2,421.37
  6. Step 6: Final answer
    x = 1,968.80

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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.