Home / 3,518.18-4,854.95-2,102.65

Finding the Fourth Proportional to 3,518.18, 4,854.95 and 2,102.65

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Solution

The fourth proportional to 3,518.18, 4,854.95 and 2,102.65 is: 2,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.18 : 4,854.95 = 2,102.65 : x
  2. Step 2: Convert to fraction form
    3,518.18/4,854.95 = 2,102.65/x
  3. Step 3: Cross multiply
    3,518.18x = 4,854.95 × 2,102.65
  4. Step 4: Simplify right side
    3,518.18x = 10,208,239.74
  5. Step 5: Solve for x
    x = 10,208,239.74/3,518.18
  6. Step 6: Final answer
    x = 2,901.57

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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.