Home / 3,210.24-4,812.29-1,565.90

Finding the Fourth Proportional to 3,210.24, 4,812.29 and 1,565.90

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Solution

The fourth proportional to 3,210.24, 4,812.29 and 1,565.90 is: 2,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.24 : 4,812.29 = 1,565.90 : x
  2. Step 2: Convert to fraction form
    3,210.24/4,812.29 = 1,565.90/x
  3. Step 3: Cross multiply
    3,210.24x = 4,812.29 × 1,565.90
  4. Step 4: Simplify right side
    3,210.24x = 7,535,533.02
  5. Step 5: Solve for x
    x = 7,535,533.02/3,210.24
  6. Step 6: Final answer
    x = 2,347.34

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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.