Home / 3,117.24-4,677.48-1,657.44

Finding the Fourth Proportional to 3,117.24, 4,677.48 and 1,657.44

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Solution

The fourth proportional to 3,117.24, 4,677.48 and 1,657.44 is: 2,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.24 : 4,677.48 = 1,657.44 : x
  2. Step 2: Convert to fraction form
    3,117.24/4,677.48 = 1,657.44/x
  3. Step 3: Cross multiply
    3,117.24x = 4,677.48 × 1,657.44
  4. Step 4: Simplify right side
    3,117.24x = 7,752,642.45
  5. Step 5: Solve for x
    x = 7,752,642.45/3,117.24
  6. Step 6: Final answer
    x = 2,487.02

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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.