Home / 1,718.39-2,373.62-1,509.28

Finding the Fourth Proportional to 1,718.39, 2,373.62 and 1,509.28

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Solution

The fourth proportional to 1,718.39, 2,373.62 and 1,509.28 is: 2,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.39 : 2,373.62 = 1,509.28 : x
  2. Step 2: Convert to fraction form
    1,718.39/2,373.62 = 1,509.28/x
  3. Step 3: Cross multiply
    1,718.39x = 2,373.62 × 1,509.28
  4. Step 4: Simplify right side
    1,718.39x = 3,582,443.71
  5. Step 5: Solve for x
    x = 3,582,443.71/1,718.39
  6. Step 6: Final answer
    x = 2,084.76

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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.