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Finding the Fourth Proportional to 2,927.40, 4,353.43 and 2,835.10

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Solution

The fourth proportional to 2,927.40, 4,353.43 and 2,835.10 is: 4,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.40 : 4,353.43 = 2,835.10 : x
  2. Step 2: Convert to fraction form
    2,927.40/4,353.43 = 2,835.10/x
  3. Step 3: Cross multiply
    2,927.40x = 4,353.43 × 2,835.10
  4. Step 4: Simplify right side
    2,927.40x = 12,342,409.39
  5. Step 5: Solve for x
    x = 12,342,409.39/2,927.40
  6. Step 6: Final answer
    x = 4,216.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.