Home / 2,931.27-4,045.26-1,604.98

Finding the Fourth Proportional to 2,931.27, 4,045.26 and 1,604.98

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Solution

The fourth proportional to 2,931.27, 4,045.26 and 1,604.98 is: 2,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.27 : 4,045.26 = 1,604.98 : x
  2. Step 2: Convert to fraction form
    2,931.27/4,045.26 = 1,604.98/x
  3. Step 3: Cross multiply
    2,931.27x = 4,045.26 × 1,604.98
  4. Step 4: Simplify right side
    2,931.27x = 6,492,561.39
  5. Step 5: Solve for x
    x = 6,492,561.39/2,931.27
  6. Step 6: Final answer
    x = 2,214.93

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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.