Home / 3,688.74-5,527.76-1,715.00

Finding the Fourth Proportional to 3,688.74, 5,527.76 and 1,715.00

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Solution

The fourth proportional to 3,688.74, 5,527.76 and 1,715.00 is: 2,570.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.74 : 5,527.76 = 1,715.00 : x
  2. Step 2: Convert to fraction form
    3,688.74/5,527.76 = 1,715.00/x
  3. Step 3: Cross multiply
    3,688.74x = 5,527.76 × 1,715.00
  4. Step 4: Simplify right side
    3,688.74x = 9,480,072.19
  5. Step 5: Solve for x
    x = 9,480,072.19/3,688.74
  6. Step 6: Final answer
    x = 2,570.00

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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.