Home / 1,714.24-2,365.66-928.29

Finding the Fourth Proportional to 1,714.24, 2,365.66 and 928.29

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Solution

The fourth proportional to 1,714.24, 2,365.66 and 928.29 is: 1,281.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.24 : 2,365.66 = 928.29 : x
  2. Step 2: Convert to fraction form
    1,714.24/2,365.66 = 928.29/x
  3. Step 3: Cross multiply
    1,714.24x = 2,365.66 × 928.29
  4. Step 4: Simplify right side
    1,714.24x = 2,196,002.05
  5. Step 5: Solve for x
    x = 2,196,002.05/1,714.24
  6. Step 6: Final answer
    x = 1,281.04

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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.