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Finding the Fourth Proportional to 1,955.93, 2,915.76 and 1,925.96

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Solution

The fourth proportional to 1,955.93, 2,915.76 and 1,925.96 is: 2,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.93 : 2,915.76 = 1,925.96 : x
  2. Step 2: Convert to fraction form
    1,955.93/2,915.76 = 1,925.96/x
  3. Step 3: Cross multiply
    1,955.93x = 2,915.76 × 1,925.96
  4. Step 4: Simplify right side
    1,955.93x = 5,615,622.55
  5. Step 5: Solve for x
    x = 5,615,622.55/1,955.93
  6. Step 6: Final answer
    x = 2,871.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.