Home / 2,981.24-4,470.34-1,130.95

Finding the Fourth Proportional to 2,981.24, 4,470.34 and 1,130.95

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Solution

The fourth proportional to 2,981.24, 4,470.34 and 1,130.95 is: 1,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.24 : 4,470.34 = 1,130.95 : x
  2. Step 2: Convert to fraction form
    2,981.24/4,470.34 = 1,130.95/x
  3. Step 3: Cross multiply
    2,981.24x = 4,470.34 × 1,130.95
  4. Step 4: Simplify right side
    2,981.24x = 5,055,710.76
  5. Step 5: Solve for x
    x = 5,055,710.76/2,981.24
  6. Step 6: Final answer
    x = 1,695.84

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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.