Home / 2,426.07-3,639.62-1,386.57

Finding the Fourth Proportional to 2,426.07, 3,639.62 and 1,386.57

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Solution

The fourth proportional to 2,426.07, 3,639.62 and 1,386.57 is: 2,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.07 : 3,639.62 = 1,386.57 : x
  2. Step 2: Convert to fraction form
    2,426.07/3,639.62 = 1,386.57/x
  3. Step 3: Cross multiply
    2,426.07x = 3,639.62 × 1,386.57
  4. Step 4: Simplify right side
    2,426.07x = 5,046,587.90
  5. Step 5: Solve for x
    x = 5,046,587.90/2,426.07
  6. Step 6: Final answer
    x = 2,080.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.