Home / 2,630.20-3,628.76-1,510.36

Finding the Fourth Proportional to 2,630.20, 3,628.76 and 1,510.36

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Solution

The fourth proportional to 2,630.20, 3,628.76 and 1,510.36 is: 2,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.20 : 3,628.76 = 1,510.36 : x
  2. Step 2: Convert to fraction form
    2,630.20/3,628.76 = 1,510.36/x
  3. Step 3: Cross multiply
    2,630.20x = 3,628.76 × 1,510.36
  4. Step 4: Simplify right side
    2,630.20x = 5,480,733.95
  5. Step 5: Solve for x
    x = 5,480,733.95/2,630.20
  6. Step 6: Final answer
    x = 2,083.77

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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.