Home / 1,718.47-2,371.61-962.32

Finding the Fourth Proportional to 1,718.47, 2,371.61 and 962.32

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Solution

The fourth proportional to 1,718.47, 2,371.61 and 962.32 is: 1,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.47 : 2,371.61 = 962.32 : x
  2. Step 2: Convert to fraction form
    1,718.47/2,371.61 = 962.32/x
  3. Step 3: Cross multiply
    1,718.47x = 2,371.61 × 962.32
  4. Step 4: Simplify right side
    1,718.47x = 2,282,254.29
  5. Step 5: Solve for x
    x = 2,282,254.29/1,718.47
  6. Step 6: Final answer
    x = 1,328.07

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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.