Home / 2,117.43-2,920.05-1,592.55

Finding the Fourth Proportional to 2,117.43, 2,920.05 and 1,592.55

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Solution

The fourth proportional to 2,117.43, 2,920.05 and 1,592.55 is: 2,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.43 : 2,920.05 = 1,592.55 : x
  2. Step 2: Convert to fraction form
    2,117.43/2,920.05 = 1,592.55/x
  3. Step 3: Cross multiply
    2,117.43x = 2,920.05 × 1,592.55
  4. Step 4: Simplify right side
    2,117.43x = 4,650,325.63
  5. Step 5: Solve for x
    x = 4,650,325.63/2,117.43
  6. Step 6: Final answer
    x = 2,196.21

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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.