Home / 1,434.08-2,152.19-556.72

Finding the Fourth Proportional to 1,434.08, 2,152.19 and 556.72

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Solution

The fourth proportional to 1,434.08, 2,152.19 and 556.72 is: 835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.08 : 2,152.19 = 556.72 : x
  2. Step 2: Convert to fraction form
    1,434.08/2,152.19 = 556.72/x
  3. Step 3: Cross multiply
    1,434.08x = 2,152.19 × 556.72
  4. Step 4: Simplify right side
    1,434.08x = 1,198,167.22
  5. Step 5: Solve for x
    x = 1,198,167.22/1,434.08
  6. Step 6: Final answer
    x = 835.50

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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.