Home / 2,425.46-3,347.34-1,430.50

Finding the Fourth Proportional to 2,425.46, 3,347.34 and 1,430.50

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Solution

The fourth proportional to 2,425.46, 3,347.34 and 1,430.50 is: 1,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.46 : 3,347.34 = 1,430.50 : x
  2. Step 2: Convert to fraction form
    2,425.46/3,347.34 = 1,430.50/x
  3. Step 3: Cross multiply
    2,425.46x = 3,347.34 × 1,430.50
  4. Step 4: Simplify right side
    2,425.46x = 4,788,369.87
  5. Step 5: Solve for x
    x = 4,788,369.87/2,425.46
  6. Step 6: Final answer
    x = 1,974.21

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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.