Home / 3,403.29-4,697.02-1,911.32

Finding the Fourth Proportional to 3,403.29, 4,697.02 and 1,911.32

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Solution

The fourth proportional to 3,403.29, 4,697.02 and 1,911.32 is: 2,637.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.29 : 4,697.02 = 1,911.32 : x
  2. Step 2: Convert to fraction form
    3,403.29/4,697.02 = 1,911.32/x
  3. Step 3: Cross multiply
    3,403.29x = 4,697.02 × 1,911.32
  4. Step 4: Simplify right side
    3,403.29x = 8,977,508.27
  5. Step 5: Solve for x
    x = 8,977,508.27/3,403.29
  6. Step 6: Final answer
    x = 2,637.89

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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.