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Finding the Fourth Proportional to 3,547.93, 4,895.40 and 2,055.75

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Solution

The fourth proportional to 3,547.93, 4,895.40 and 2,055.75 is: 2,836.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.93 : 4,895.40 = 2,055.75 : x
  2. Step 2: Convert to fraction form
    3,547.93/4,895.40 = 2,055.75/x
  3. Step 3: Cross multiply
    3,547.93x = 4,895.40 × 2,055.75
  4. Step 4: Simplify right side
    3,547.93x = 10,063,718.55
  5. Step 5: Solve for x
    x = 10,063,718.55/3,547.93
  6. Step 6: Final answer
    x = 2,836.50

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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.