Home / 3,315.40-4,573.36-2,417.95

Finding the Fourth Proportional to 3,315.40, 4,573.36 and 2,417.95

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Solution

The fourth proportional to 3,315.40, 4,573.36 and 2,417.95 is: 3,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.40 : 4,573.36 = 2,417.95 : x
  2. Step 2: Convert to fraction form
    3,315.40/4,573.36 = 2,417.95/x
  3. Step 3: Cross multiply
    3,315.40x = 4,573.36 × 2,417.95
  4. Step 4: Simplify right side
    3,315.40x = 11,058,164.55
  5. Step 5: Solve for x
    x = 11,058,164.55/3,315.40
  6. Step 6: Final answer
    x = 3,335.40

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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.