Home / 1,556.11-2,332.90-632.10

Finding the Fourth Proportional to 1,556.11, 2,332.90 and 632.10

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Solution

The fourth proportional to 1,556.11, 2,332.90 and 632.10 is: 947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.11 : 2,332.90 = 632.10 : x
  2. Step 2: Convert to fraction form
    1,556.11/2,332.90 = 632.10/x
  3. Step 3: Cross multiply
    1,556.11x = 2,332.90 × 632.10
  4. Step 4: Simplify right side
    1,556.11x = 1,474,635.63
  5. Step 5: Solve for x
    x = 1,474,635.63/1,556.11
  6. Step 6: Final answer
    x = 947.64

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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.