Home / 1,426.08-2,137.50-603.12

Finding the Fourth Proportional to 1,426.08, 2,137.50 and 603.12

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Solution

The fourth proportional to 1,426.08, 2,137.50 and 603.12 is: 903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.08 : 2,137.50 = 603.12 : x
  2. Step 2: Convert to fraction form
    1,426.08/2,137.50 = 603.12/x
  3. Step 3: Cross multiply
    1,426.08x = 2,137.50 × 603.12
  4. Step 4: Simplify right side
    1,426.08x = 1,289,169
  5. Step 5: Solve for x
    x = 1,289,169/1,426.08
  6. Step 6: Final answer
    x = 903.99

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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.