Home / 2,835.16-4,253.50-887.40

Finding the Fourth Proportional to 2,835.16, 4,253.50 and 887.40

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Solution

The fourth proportional to 2,835.16, 4,253.50 and 887.40 is: 1,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.16 : 4,253.50 = 887.40 : x
  2. Step 2: Convert to fraction form
    2,835.16/4,253.50 = 887.40/x
  3. Step 3: Cross multiply
    2,835.16x = 4,253.50 × 887.40
  4. Step 4: Simplify right side
    2,835.16x = 3,774,555.90
  5. Step 5: Solve for x
    x = 3,774,555.90/2,835.16
  6. Step 6: Final answer
    x = 1,331.34

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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.