Home / 1,813.16-2,500.93-1,615.30

Finding the Fourth Proportional to 1,813.16, 2,500.93 and 1,615.30

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Solution

The fourth proportional to 1,813.16, 2,500.93 and 1,615.30 is: 2,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.16 : 2,500.93 = 1,615.30 : x
  2. Step 2: Convert to fraction form
    1,813.16/2,500.93 = 1,615.30/x
  3. Step 3: Cross multiply
    1,813.16x = 2,500.93 × 1,615.30
  4. Step 4: Simplify right side
    1,813.16x = 4,039,756.49
  5. Step 5: Solve for x
    x = 4,039,756.49/1,813.16
  6. Step 6: Final answer
    x = 2,228.02

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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.