Home / 2,205.90-3,307.11-1,510.46

Finding the Fourth Proportional to 2,205.90, 3,307.11 and 1,510.46

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Solution

The fourth proportional to 2,205.90, 3,307.11 and 1,510.46 is: 2,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.90 : 3,307.11 = 1,510.46 : x
  2. Step 2: Convert to fraction form
    2,205.90/3,307.11 = 1,510.46/x
  3. Step 3: Cross multiply
    2,205.90x = 3,307.11 × 1,510.46
  4. Step 4: Simplify right side
    2,205.90x = 4,995,258.90
  5. Step 5: Solve for x
    x = 4,995,258.90/2,205.90
  6. Step 6: Final answer
    x = 2,264.50

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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.