Home / 1,733.68-2,390.43-1,401.08

Finding the Fourth Proportional to 1,733.68, 2,390.43 and 1,401.08

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Solution

The fourth proportional to 1,733.68, 2,390.43 and 1,401.08 is: 1,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.68 : 2,390.43 = 1,401.08 : x
  2. Step 2: Convert to fraction form
    1,733.68/2,390.43 = 1,401.08/x
  3. Step 3: Cross multiply
    1,733.68x = 2,390.43 × 1,401.08
  4. Step 4: Simplify right side
    1,733.68x = 3,349,171.71
  5. Step 5: Solve for x
    x = 3,349,171.71/1,733.68
  6. Step 6: Final answer
    x = 1,931.83

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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.