Home / 2,848.04-3,928.90-2,217.45

Finding the Fourth Proportional to 2,848.04, 3,928.90 and 2,217.45

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Solution

The fourth proportional to 2,848.04, 3,928.90 and 2,217.45 is: 3,058.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.04 : 3,928.90 = 2,217.45 : x
  2. Step 2: Convert to fraction form
    2,848.04/3,928.90 = 2,217.45/x
  3. Step 3: Cross multiply
    2,848.04x = 3,928.90 × 2,217.45
  4. Step 4: Simplify right side
    2,848.04x = 8,712,139.31
  5. Step 5: Solve for x
    x = 8,712,139.31/2,848.04
  6. Step 6: Final answer
    x = 3,058.99

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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.