Home / 2,165.36-2,988.34-1,633.31

Finding the Fourth Proportional to 2,165.36, 2,988.34 and 1,633.31

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Solution

The fourth proportional to 2,165.36, 2,988.34 and 1,633.31 is: 2,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.36 : 2,988.34 = 1,633.31 : x
  2. Step 2: Convert to fraction form
    2,165.36/2,988.34 = 1,633.31/x
  3. Step 3: Cross multiply
    2,165.36x = 2,988.34 × 1,633.31
  4. Step 4: Simplify right side
    2,165.36x = 4,880,885.61
  5. Step 5: Solve for x
    x = 4,880,885.61/2,165.36
  6. Step 6: Final answer
    x = 2,254.08

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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.