Home / 2,425.21-3,347.45-1,417.79

Finding the Fourth Proportional to 2,425.21, 3,347.45 and 1,417.79

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Solution

The fourth proportional to 2,425.21, 3,347.45 and 1,417.79 is: 1,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.21 : 3,347.45 = 1,417.79 : x
  2. Step 2: Convert to fraction form
    2,425.21/3,347.45 = 1,417.79/x
  3. Step 3: Cross multiply
    2,425.21x = 3,347.45 × 1,417.79
  4. Step 4: Simplify right side
    2,425.21x = 4,745,967.94
  5. Step 5: Solve for x
    x = 4,745,967.94/2,425.21
  6. Step 6: Final answer
    x = 1,956.93

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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.