Home / 1,340.06-1,851.99-1,045.02

Finding the Fourth Proportional to 1,340.06, 1,851.99 and 1,045.02

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Solution

The fourth proportional to 1,340.06, 1,851.99 and 1,045.02 is: 1,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.06 : 1,851.99 = 1,045.02 : x
  2. Step 2: Convert to fraction form
    1,340.06/1,851.99 = 1,045.02/x
  3. Step 3: Cross multiply
    1,340.06x = 1,851.99 × 1,045.02
  4. Step 4: Simplify right side
    1,340.06x = 1,935,366.59
  5. Step 5: Solve for x
    x = 1,935,366.59/1,340.06
  6. Step 6: Final answer
    x = 1,444.24

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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.