Home / 1,624.07-2,239.70-1,293.59

Finding the Fourth Proportional to 1,624.07, 2,239.70 and 1,293.59

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Solution

The fourth proportional to 1,624.07, 2,239.70 and 1,293.59 is: 1,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.07 : 2,239.70 = 1,293.59 : x
  2. Step 2: Convert to fraction form
    1,624.07/2,239.70 = 1,293.59/x
  3. Step 3: Cross multiply
    1,624.07x = 2,239.70 × 1,293.59
  4. Step 4: Simplify right side
    1,624.07x = 2,897,235.86
  5. Step 5: Solve for x
    x = 2,897,235.86/1,624.07
  6. Step 6: Final answer
    x = 1,783.94

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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.