Home / 3,117.08-4,676.99-1,656.36

Finding the Fourth Proportional to 3,117.08, 4,676.99 and 1,656.36

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Solution

The fourth proportional to 3,117.08, 4,676.99 and 1,656.36 is: 2,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.08 : 4,676.99 = 1,656.36 : x
  2. Step 2: Convert to fraction form
    3,117.08/4,676.99 = 1,656.36/x
  3. Step 3: Cross multiply
    3,117.08x = 4,676.99 × 1,656.36
  4. Step 4: Simplify right side
    3,117.08x = 7,746,779.16
  5. Step 5: Solve for x
    x = 7,746,779.16/3,117.08
  6. Step 6: Final answer
    x = 2,485.27

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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.