Home / 3,139.66-4,703.01-2,445.58

Finding the Fourth Proportional to 3,139.66, 4,703.01 and 2,445.58

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Solution

The fourth proportional to 3,139.66, 4,703.01 and 2,445.58 is: 3,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.66 : 4,703.01 = 2,445.58 : x
  2. Step 2: Convert to fraction form
    3,139.66/4,703.01 = 2,445.58/x
  3. Step 3: Cross multiply
    3,139.66x = 4,703.01 × 2,445.58
  4. Step 4: Simplify right side
    3,139.66x = 11,501,587.20
  5. Step 5: Solve for x
    x = 11,501,587.20/3,139.66
  6. Step 6: Final answer
    x = 3,663.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.