Home / 2,425.86-3,347.73-1,377.81

Finding the Fourth Proportional to 2,425.86, 3,347.73 and 1,377.81

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Solution

The fourth proportional to 2,425.86, 3,347.73 and 1,377.81 is: 1,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.86 : 3,347.73 = 1,377.81 : x
  2. Step 2: Convert to fraction form
    2,425.86/3,347.73 = 1,377.81/x
  3. Step 3: Cross multiply
    2,425.86x = 3,347.73 × 1,377.81
  4. Step 4: Simplify right side
    2,425.86x = 4,612,535.87
  5. Step 5: Solve for x
    x = 4,612,535.87/2,425.86
  6. Step 6: Final answer
    x = 1,901.40

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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.