Home / 3,515.32-4,851.14-1,943.40

Finding the Fourth Proportional to 3,515.32, 4,851.14 and 1,943.40

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Solution

The fourth proportional to 3,515.32, 4,851.14 and 1,943.40 is: 2,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.32 : 4,851.14 = 1,943.40 : x
  2. Step 2: Convert to fraction form
    3,515.32/4,851.14 = 1,943.40/x
  3. Step 3: Cross multiply
    3,515.32x = 4,851.14 × 1,943.40
  4. Step 4: Simplify right side
    3,515.32x = 9,427,705.48
  5. Step 5: Solve for x
    x = 9,427,705.48/3,515.32
  6. Step 6: Final answer
    x = 2,681.89

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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.