Home / 1,417.61-2,126.23-377.71

Finding the Fourth Proportional to 1,417.61, 2,126.23 and 377.71

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Solution

The fourth proportional to 1,417.61, 2,126.23 and 377.71 is: 566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.61 : 2,126.23 = 377.71 : x
  2. Step 2: Convert to fraction form
    1,417.61/2,126.23 = 377.71/x
  3. Step 3: Cross multiply
    1,417.61x = 2,126.23 × 377.71
  4. Step 4: Simplify right side
    1,417.61x = 803,092.07
  5. Step 5: Solve for x
    x = 803,092.07/1,417.61
  6. Step 6: Final answer
    x = 566.51

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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.