Home / 2,505.18-3,455.05-1,877.18

Finding the Fourth Proportional to 2,505.18, 3,455.05 and 1,877.18

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Solution

The fourth proportional to 2,505.18, 3,455.05 and 1,877.18 is: 2,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.18 : 3,455.05 = 1,877.18 : x
  2. Step 2: Convert to fraction form
    2,505.18/3,455.05 = 1,877.18/x
  3. Step 3: Cross multiply
    2,505.18x = 3,455.05 × 1,877.18
  4. Step 4: Simplify right side
    2,505.18x = 6,485,750.76
  5. Step 5: Solve for x
    x = 6,485,750.76/2,505.18
  6. Step 6: Final answer
    x = 2,588.94

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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.