Home / 1,510.61-2,080.32-1,359.95

Finding the Fourth Proportional to 1,510.61, 2,080.32 and 1,359.95

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Solution

The fourth proportional to 1,510.61, 2,080.32 and 1,359.95 is: 1,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.61 : 2,080.32 = 1,359.95 : x
  2. Step 2: Convert to fraction form
    1,510.61/2,080.32 = 1,359.95/x
  3. Step 3: Cross multiply
    1,510.61x = 2,080.32 × 1,359.95
  4. Step 4: Simplify right side
    1,510.61x = 2,829,115.68
  5. Step 5: Solve for x
    x = 2,829,115.68/1,510.61
  6. Step 6: Final answer
    x = 1,872.84

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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.