Home / 2,425.95-3,347.24-1,378.35

Finding the Fourth Proportional to 2,425.95, 3,347.24 and 1,378.35

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Solution

The fourth proportional to 2,425.95, 3,347.24 and 1,378.35 is: 1,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.95 : 3,347.24 = 1,378.35 : x
  2. Step 2: Convert to fraction form
    2,425.95/3,347.24 = 1,378.35/x
  3. Step 3: Cross multiply
    2,425.95x = 3,347.24 × 1,378.35
  4. Step 4: Simplify right side
    2,425.95x = 4,613,661.36
  5. Step 5: Solve for x
    x = 4,613,661.36/2,425.95
  6. Step 6: Final answer
    x = 1,901.80

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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.