Home / 3,417.93-4,717.35-2,159.55

Finding the Fourth Proportional to 3,417.93, 4,717.35 and 2,159.55

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Solution

The fourth proportional to 3,417.93, 4,717.35 and 2,159.55 is: 2,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.93 : 4,717.35 = 2,159.55 : x
  2. Step 2: Convert to fraction form
    3,417.93/4,717.35 = 2,159.55/x
  3. Step 3: Cross multiply
    3,417.93x = 4,717.35 × 2,159.55
  4. Step 4: Simplify right side
    3,417.93x = 10,187,353.19
  5. Step 5: Solve for x
    x = 10,187,353.19/3,417.93
  6. Step 6: Final answer
    x = 2,980.56

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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.