Home / 3,425.42-5,140.50-1,345.41

Finding the Fourth Proportional to 3,425.42, 5,140.50 and 1,345.41

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Solution

The fourth proportional to 3,425.42, 5,140.50 and 1,345.41 is: 2,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.42 : 5,140.50 = 1,345.41 : x
  2. Step 2: Convert to fraction form
    3,425.42/5,140.50 = 1,345.41/x
  3. Step 3: Cross multiply
    3,425.42x = 5,140.50 × 1,345.41
  4. Step 4: Simplify right side
    3,425.42x = 6,916,075.06
  5. Step 5: Solve for x
    x = 6,916,075.06/3,425.42
  6. Step 6: Final answer
    x = 2,019.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.