Home / 1,848.97-2,549.91-1,428.69

Finding the Fourth Proportional to 1,848.97, 2,549.91 and 1,428.69

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Solution

The fourth proportional to 1,848.97, 2,549.91 and 1,428.69 is: 1,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.97 : 2,549.91 = 1,428.69 : x
  2. Step 2: Convert to fraction form
    1,848.97/2,549.91 = 1,428.69/x
  3. Step 3: Cross multiply
    1,848.97x = 2,549.91 × 1,428.69
  4. Step 4: Simplify right side
    1,848.97x = 3,643,030.92
  5. Step 5: Solve for x
    x = 3,643,030.92/1,848.97
  6. Step 6: Final answer
    x = 1,970.30

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1.5x scale

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.