Home / 1,717.25-2,368.79-1,053.63

Finding the Fourth Proportional to 1,717.25, 2,368.79 and 1,053.63

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Solution

The fourth proportional to 1,717.25, 2,368.79 and 1,053.63 is: 1,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.25 : 2,368.79 = 1,053.63 : x
  2. Step 2: Convert to fraction form
    1,717.25/2,368.79 = 1,053.63/x
  3. Step 3: Cross multiply
    1,717.25x = 2,368.79 × 1,053.63
  4. Step 4: Simplify right side
    1,717.25x = 2,495,839.48
  5. Step 5: Solve for x
    x = 2,495,839.48/1,717.25
  6. Step 6: Final answer
    x = 1,453.39

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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.