Home / 1,771.08-2,455.23-1,677.40

Finding the Fourth Proportional to 1,771.08, 2,455.23 and 1,677.40

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Solution

The fourth proportional to 1,771.08, 2,455.23 and 1,677.40 is: 2,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.08 : 2,455.23 = 1,677.40 : x
  2. Step 2: Convert to fraction form
    1,771.08/2,455.23 = 1,677.40/x
  3. Step 3: Cross multiply
    1,771.08x = 2,455.23 × 1,677.40
  4. Step 4: Simplify right side
    1,771.08x = 4,118,402.80
  5. Step 5: Solve for x
    x = 4,118,402.80/1,771.08
  6. Step 6: Final answer
    x = 2,325.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.