Home / 1,557.48-2,336.16-632.79

Finding the Fourth Proportional to 1,557.48, 2,336.16 and 632.79

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Solution

The fourth proportional to 1,557.48, 2,336.16 and 632.79 is: 949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.48 : 2,336.16 = 632.79 : x
  2. Step 2: Convert to fraction form
    1,557.48/2,336.16 = 632.79/x
  3. Step 3: Cross multiply
    1,557.48x = 2,336.16 × 632.79
  4. Step 4: Simplify right side
    1,557.48x = 1,478,298.69
  5. Step 5: Solve for x
    x = 1,478,298.69/1,557.48
  6. Step 6: Final answer
    x = 949.16

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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.