Home / 3,955.64-5,461.09-2,613.35

Finding the Fourth Proportional to 3,955.64, 5,461.09 and 2,613.35

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Solution

The fourth proportional to 3,955.64, 5,461.09 and 2,613.35 is: 3,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.64 : 5,461.09 = 2,613.35 : x
  2. Step 2: Convert to fraction form
    3,955.64/5,461.09 = 2,613.35/x
  3. Step 3: Cross multiply
    3,955.64x = 5,461.09 × 2,613.35
  4. Step 4: Simplify right side
    3,955.64x = 14,271,746.67
  5. Step 5: Solve for x
    x = 14,271,746.67/3,955.64
  6. Step 6: Final answer
    x = 3,607.95

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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.