Home / 1,476.35-2,222.57-1,275.47

Finding the Fourth Proportional to 1,476.35, 2,222.57 and 1,275.47

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Solution

The fourth proportional to 1,476.35, 2,222.57 and 1,275.47 is: 1,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.35 : 2,222.57 = 1,275.47 : x
  2. Step 2: Convert to fraction form
    1,476.35/2,222.57 = 1,275.47/x
  3. Step 3: Cross multiply
    1,476.35x = 2,222.57 × 1,275.47
  4. Step 4: Simplify right side
    1,476.35x = 2,834,821.36
  5. Step 5: Solve for x
    x = 2,834,821.36/1,476.35
  6. Step 6: Final answer
    x = 1,920.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.