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Finding the Fourth Proportional to 2,885.40, 4,329.12 and 1,497.84

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Solution

The fourth proportional to 2,885.40, 4,329.12 and 1,497.84 is: 2,247.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.40 : 4,329.12 = 1,497.84 : x
  2. Step 2: Convert to fraction form
    2,885.40/4,329.12 = 1,497.84/x
  3. Step 3: Cross multiply
    2,885.40x = 4,329.12 × 1,497.84
  4. Step 4: Simplify right side
    2,885.40x = 6,484,329.10
  5. Step 5: Solve for x
    x = 6,484,329.10/2,885.40
  6. Step 6: Final answer
    x = 2,247.29

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1.5x scale

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.