Home / 1,599.26-2,407.37-1,140.21

Finding the Fourth Proportional to 1,599.26, 2,407.37 and 1,140.21

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Solution

The fourth proportional to 1,599.26, 2,407.37 and 1,140.21 is: 1,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.26 : 2,407.37 = 1,140.21 : x
  2. Step 2: Convert to fraction form
    1,599.26/2,407.37 = 1,140.21/x
  3. Step 3: Cross multiply
    1,599.26x = 2,407.37 × 1,140.21
  4. Step 4: Simplify right side
    1,599.26x = 2,744,901.65
  5. Step 5: Solve for x
    x = 2,744,901.65/1,599.26
  6. Step 6: Final answer
    x = 1,716.36

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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.