Home / 3,130.45-4,314.77-2,498.95

Finding the Fourth Proportional to 3,130.45, 4,314.77 and 2,498.95

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Solution

The fourth proportional to 3,130.45, 4,314.77 and 2,498.95 is: 3,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.45 : 4,314.77 = 2,498.95 : x
  2. Step 2: Convert to fraction form
    3,130.45/4,314.77 = 2,498.95/x
  3. Step 3: Cross multiply
    3,130.45x = 4,314.77 × 2,498.95
  4. Step 4: Simplify right side
    3,130.45x = 10,782,396.76
  5. Step 5: Solve for x
    x = 10,782,396.76/3,130.45
  6. Step 6: Final answer
    x = 3,444.36

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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.