Home / 3,715.93-5,574.11-1,636.91

Finding the Fourth Proportional to 3,715.93, 5,574.11 and 1,636.91

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Solution

The fourth proportional to 3,715.93, 5,574.11 and 1,636.91 is: 2,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.93 : 5,574.11 = 1,636.91 : x
  2. Step 2: Convert to fraction form
    3,715.93/5,574.11 = 1,636.91/x
  3. Step 3: Cross multiply
    3,715.93x = 5,574.11 × 1,636.91
  4. Step 4: Simplify right side
    3,715.93x = 9,124,280.35
  5. Step 5: Solve for x
    x = 9,124,280.35/3,715.93
  6. Step 6: Final answer
    x = 2,455.45

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1.5x scale

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.