Home / 2,948.93-4,071.20-1,955.55

Finding the Fourth Proportional to 2,948.93, 4,071.20 and 1,955.55

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Solution

The fourth proportional to 2,948.93, 4,071.20 and 1,955.55 is: 2,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.93 : 4,071.20 = 1,955.55 : x
  2. Step 2: Convert to fraction form
    2,948.93/4,071.20 = 1,955.55/x
  3. Step 3: Cross multiply
    2,948.93x = 4,071.20 × 1,955.55
  4. Step 4: Simplify right side
    2,948.93x = 7,961,428.75
  5. Step 5: Solve for x
    x = 7,961,428.75/2,948.93
  6. Step 6: Final answer
    x = 2,699.77

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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.