Home / 3,715.65-5,565.54-1,955.10

Finding the Fourth Proportional to 3,715.65, 5,565.54 and 1,955.10

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Solution

The fourth proportional to 3,715.65, 5,565.54 and 1,955.10 is: 2,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.65 : 5,565.54 = 1,955.10 : x
  2. Step 2: Convert to fraction form
    3,715.65/5,565.54 = 1,955.10/x
  3. Step 3: Cross multiply
    3,715.65x = 5,565.54 × 1,955.10
  4. Step 4: Simplify right side
    3,715.65x = 10,881,187.25
  5. Step 5: Solve for x
    x = 10,881,187.25/3,715.65
  6. Step 6: Final answer
    x = 2,928.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.