Home / 1,259.16-1,881.28-1,216.10

Finding the Fourth Proportional to 1,259.16, 1,881.28 and 1,216.10

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Solution

The fourth proportional to 1,259.16, 1,881.28 and 1,216.10 is: 1,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.16 : 1,881.28 = 1,216.10 : x
  2. Step 2: Convert to fraction form
    1,259.16/1,881.28 = 1,216.10/x
  3. Step 3: Cross multiply
    1,259.16x = 1,881.28 × 1,216.10
  4. Step 4: Simplify right side
    1,259.16x = 2,287,824.61
  5. Step 5: Solve for x
    x = 2,287,824.61/1,259.16
  6. Step 6: Final answer
    x = 1,816.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.