Home / 1,569.21-2,180.03-1,554.95

Finding the Fourth Proportional to 1,569.21, 2,180.03 and 1,554.95

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Solution

The fourth proportional to 1,569.21, 2,180.03 and 1,554.95 is: 2,160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.21 : 2,180.03 = 1,554.95 : x
  2. Step 2: Convert to fraction form
    1,569.21/2,180.03 = 1,554.95/x
  3. Step 3: Cross multiply
    1,569.21x = 2,180.03 × 1,554.95
  4. Step 4: Simplify right side
    1,569.21x = 3,389,818.97
  5. Step 5: Solve for x
    x = 3,389,818.97/1,569.21
  6. Step 6: Final answer
    x = 2,160.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.