Home / 2,117.61-2,927.10-1,622.46

Finding the Fourth Proportional to 2,117.61, 2,927.10 and 1,622.46

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Solution

The fourth proportional to 2,117.61, 2,927.10 and 1,622.46 is: 2,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.61 : 2,927.10 = 1,622.46 : x
  2. Step 2: Convert to fraction form
    2,117.61/2,927.10 = 1,622.46/x
  3. Step 3: Cross multiply
    2,117.61x = 2,927.10 × 1,622.46
  4. Step 4: Simplify right side
    2,117.61x = 4,749,119.73
  5. Step 5: Solve for x
    x = 4,749,119.73/2,117.61
  6. Step 6: Final answer
    x = 2,242.68

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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.