Home / 2,476.79-3,417.97-1,357.71

Finding the Fourth Proportional to 2,476.79, 3,417.97 and 1,357.71

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Solution

The fourth proportional to 2,476.79, 3,417.97 and 1,357.71 is: 1,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.79 : 3,417.97 = 1,357.71 : x
  2. Step 2: Convert to fraction form
    2,476.79/3,417.97 = 1,357.71/x
  3. Step 3: Cross multiply
    2,476.79x = 3,417.97 × 1,357.71
  4. Step 4: Simplify right side
    2,476.79x = 4,640,612.05
  5. Step 5: Solve for x
    x = 4,640,612.05/2,476.79
  6. Step 6: Final answer
    x = 1,873.64

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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.