Home / 2,476.68-3,417.81-1,357.63

Finding the Fourth Proportional to 2,476.68, 3,417.81 and 1,357.63

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Solution

The fourth proportional to 2,476.68, 3,417.81 and 1,357.63 is: 1,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.68 : 3,417.81 = 1,357.63 : x
  2. Step 2: Convert to fraction form
    2,476.68/3,417.81 = 1,357.63/x
  3. Step 3: Cross multiply
    2,476.68x = 3,417.81 × 1,357.63
  4. Step 4: Simplify right side
    2,476.68x = 4,640,121.39
  5. Step 5: Solve for x
    x = 4,640,121.39/2,476.68
  6. Step 6: Final answer
    x = 1,873.52

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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.