Home / 2,217.84-3,058.36-1,554.48

Finding the Fourth Proportional to 2,217.84, 3,058.36 and 1,554.48

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Solution

The fourth proportional to 2,217.84, 3,058.36 and 1,554.48 is: 2,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.84 : 3,058.36 = 1,554.48 : x
  2. Step 2: Convert to fraction form
    2,217.84/3,058.36 = 1,554.48/x
  3. Step 3: Cross multiply
    2,217.84x = 3,058.36 × 1,554.48
  4. Step 4: Simplify right side
    2,217.84x = 4,754,159.45
  5. Step 5: Solve for x
    x = 4,754,159.45/2,217.84
  6. Step 6: Final answer
    x = 2,143.60

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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.