Home / 1,615.59-2,228.85-1,025.91

Finding the Fourth Proportional to 1,615.59, 2,228.85 and 1,025.91

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Solution

The fourth proportional to 1,615.59, 2,228.85 and 1,025.91 is: 1,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.59 : 2,228.85 = 1,025.91 : x
  2. Step 2: Convert to fraction form
    1,615.59/2,228.85 = 1,025.91/x
  3. Step 3: Cross multiply
    1,615.59x = 2,228.85 × 1,025.91
  4. Step 4: Simplify right side
    1,615.59x = 2,286,599.50
  5. Step 5: Solve for x
    x = 2,286,599.50/1,615.59
  6. Step 6: Final answer
    x = 1,415.33

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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.