Home / 3,201.47-4,417.95-1,785.15

Finding the Fourth Proportional to 3,201.47, 4,417.95 and 1,785.15

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Solution

The fourth proportional to 3,201.47, 4,417.95 and 1,785.15 is: 2,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.47 : 4,417.95 = 1,785.15 : x
  2. Step 2: Convert to fraction form
    3,201.47/4,417.95 = 1,785.15/x
  3. Step 3: Cross multiply
    3,201.47x = 4,417.95 × 1,785.15
  4. Step 4: Simplify right side
    3,201.47x = 7,886,710.14
  5. Step 5: Solve for x
    x = 7,886,710.14/3,201.47
  6. Step 6: Final answer
    x = 2,463.47

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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.