Home / 1,646.40-2,465.04-1,492.80

Finding the Fourth Proportional to 1,646.40, 2,465.04 and 1,492.80

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Solution

The fourth proportional to 1,646.40, 2,465.04 and 1,492.80 is: 2,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.40 : 2,465.04 = 1,492.80 : x
  2. Step 2: Convert to fraction form
    1,646.40/2,465.04 = 1,492.80/x
  3. Step 3: Cross multiply
    1,646.40x = 2,465.04 × 1,492.80
  4. Step 4: Simplify right side
    1,646.40x = 3,679,811.71
  5. Step 5: Solve for x
    x = 3,679,811.71/1,646.40
  6. Step 6: Final answer
    x = 2,235.07

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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.