Home / 1,749.47-2,624.35-579.43

Finding the Fourth Proportional to 1,749.47, 2,624.35 and 579.43

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Solution

The fourth proportional to 1,749.47, 2,624.35 and 579.43 is: 869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.47 : 2,624.35 = 579.43 : x
  2. Step 2: Convert to fraction form
    1,749.47/2,624.35 = 579.43/x
  3. Step 3: Cross multiply
    1,749.47x = 2,624.35 × 579.43
  4. Step 4: Simplify right side
    1,749.47x = 1,520,622.66
  5. Step 5: Solve for x
    x = 1,520,622.66/1,749.47
  6. Step 6: Final answer
    x = 869.19

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1.5x scale

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.