Home / 2,433.76-3,359.20-1,386.16

Finding the Fourth Proportional to 2,433.76, 3,359.20 and 1,386.16

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Solution

The fourth proportional to 2,433.76, 3,359.20 and 1,386.16 is: 1,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.76 : 3,359.20 = 1,386.16 : x
  2. Step 2: Convert to fraction form
    2,433.76/3,359.20 = 1,386.16/x
  3. Step 3: Cross multiply
    2,433.76x = 3,359.20 × 1,386.16
  4. Step 4: Simplify right side
    2,433.76x = 4,656,388.67
  5. Step 5: Solve for x
    x = 4,656,388.67/2,433.76
  6. Step 6: Final answer
    x = 1,913.25

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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.