Home / 1,966.08-2,950.40-1,643.52

Finding the Fourth Proportional to 1,966.08, 2,950.40 and 1,643.52

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Solution

The fourth proportional to 1,966.08, 2,950.40 and 1,643.52 is: 2,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.08 : 2,950.40 = 1,643.52 : x
  2. Step 2: Convert to fraction form
    1,966.08/2,950.40 = 1,643.52/x
  3. Step 3: Cross multiply
    1,966.08x = 2,950.40 × 1,643.52
  4. Step 4: Simplify right side
    1,966.08x = 4,849,041.41
  5. Step 5: Solve for x
    x = 4,849,041.41/1,966.08
  6. Step 6: Final answer
    x = 2,466.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.