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Finding the Fourth Proportional to 2,881.40, 4,316.02 and 2,395.40

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Solution

The fourth proportional to 2,881.40, 4,316.02 and 2,395.40 is: 3,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.40 : 4,316.02 = 2,395.40 : x
  2. Step 2: Convert to fraction form
    2,881.40/4,316.02 = 2,395.40/x
  3. Step 3: Cross multiply
    2,881.40x = 4,316.02 × 2,395.40
  4. Step 4: Simplify right side
    2,881.40x = 10,338,594.31
  5. Step 5: Solve for x
    x = 10,338,594.31/2,881.40
  6. Step 6: Final answer
    x = 3,588.05

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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.