Home / 3,424.14-5,136.23-1,345.13

Finding the Fourth Proportional to 3,424.14, 5,136.23 and 1,345.13

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Solution

The fourth proportional to 3,424.14, 5,136.23 and 1,345.13 is: 2,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.14 : 5,136.23 = 1,345.13 : x
  2. Step 2: Convert to fraction form
    3,424.14/5,136.23 = 1,345.13/x
  3. Step 3: Cross multiply
    3,424.14x = 5,136.23 × 1,345.13
  4. Step 4: Simplify right side
    3,424.14x = 6,908,864.65
  5. Step 5: Solve for x
    x = 6,908,864.65/3,424.14
  6. Step 6: Final answer
    x = 2,017.69

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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.