Home / 2,574.99-3,553.47-1,396.07

Finding the Fourth Proportional to 2,574.99, 3,553.47 and 1,396.07

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Solution

The fourth proportional to 2,574.99, 3,553.47 and 1,396.07 is: 1,926.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.99 : 3,553.47 = 1,396.07 : x
  2. Step 2: Convert to fraction form
    2,574.99/3,553.47 = 1,396.07/x
  3. Step 3: Cross multiply
    2,574.99x = 3,553.47 × 1,396.07
  4. Step 4: Simplify right side
    2,574.99x = 4,960,875.10
  5. Step 5: Solve for x
    x = 4,960,875.10/2,574.99
  6. Step 6: Final answer
    x = 1,926.56

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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.