Home / 1,677.07-2,314.70-1,117.56

Finding the Fourth Proportional to 1,677.07, 2,314.70 and 1,117.56

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Solution

The fourth proportional to 1,677.07, 2,314.70 and 1,117.56 is: 1,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.07 : 2,314.70 = 1,117.56 : x
  2. Step 2: Convert to fraction form
    1,677.07/2,314.70 = 1,117.56/x
  3. Step 3: Cross multiply
    1,677.07x = 2,314.70 × 1,117.56
  4. Step 4: Simplify right side
    1,677.07x = 2,586,810.54
  5. Step 5: Solve for x
    x = 2,586,810.54/1,677.07
  6. Step 6: Final answer
    x = 1,542.46

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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.