Home / 2,421.23-3,341.16-1,426.28

Finding the Fourth Proportional to 2,421.23, 3,341.16 and 1,426.28

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Solution

The fourth proportional to 2,421.23, 3,341.16 and 1,426.28 is: 1,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.23 : 3,341.16 = 1,426.28 : x
  2. Step 2: Convert to fraction form
    2,421.23/3,341.16 = 1,426.28/x
  3. Step 3: Cross multiply
    2,421.23x = 3,341.16 × 1,426.28
  4. Step 4: Simplify right side
    2,421.23x = 4,765,429.68
  5. Step 5: Solve for x
    x = 4,765,429.68/2,421.23
  6. Step 6: Final answer
    x = 1,968.19

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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.