Home / 2,421.24-3,341.28-1,426.56

Finding the Fourth Proportional to 2,421.24, 3,341.28 and 1,426.56

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Solution

The fourth proportional to 2,421.24, 3,341.28 and 1,426.56 is: 1,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.24 : 3,341.28 = 1,426.56 : x
  2. Step 2: Convert to fraction form
    2,421.24/3,341.28 = 1,426.56/x
  3. Step 3: Cross multiply
    2,421.24x = 3,341.28 × 1,426.56
  4. Step 4: Simplify right side
    2,421.24x = 4,766,536.40
  5. Step 5: Solve for x
    x = 4,766,536.40/2,421.24
  6. Step 6: Final answer
    x = 1,968.63

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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.