Home / 2,836.10-4,254.15-888.31

Finding the Fourth Proportional to 2,836.10, 4,254.15 and 888.31

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Solution

The fourth proportional to 2,836.10, 4,254.15 and 888.31 is: 1,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.10 : 4,254.15 = 888.31 : x
  2. Step 2: Convert to fraction form
    2,836.10/4,254.15 = 888.31/x
  3. Step 3: Cross multiply
    2,836.10x = 4,254.15 × 888.31
  4. Step 4: Simplify right side
    2,836.10x = 3,779,003.99
  5. Step 5: Solve for x
    x = 3,779,003.99/2,836.10
  6. Step 6: Final answer
    x = 1,332.47

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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.