Home / 2,417.70-3,336.87-1,422.93

Finding the Fourth Proportional to 2,417.70, 3,336.87 and 1,422.93

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Solution

The fourth proportional to 2,417.70, 3,336.87 and 1,422.93 is: 1,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.70 : 3,336.87 = 1,422.93 : x
  2. Step 2: Convert to fraction form
    2,417.70/3,336.87 = 1,422.93/x
  3. Step 3: Cross multiply
    2,417.70x = 3,336.87 × 1,422.93
  4. Step 4: Simplify right side
    2,417.70x = 4,748,132.43
  5. Step 5: Solve for x
    x = 4,748,132.43/2,417.70
  6. Step 6: Final answer
    x = 1,963.90

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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.