Home / 1,558.10-2,335.12-632.57

Finding the Fourth Proportional to 1,558.10, 2,335.12 and 632.57

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Solution

The fourth proportional to 1,558.10, 2,335.12 and 632.57 is: 948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.10 : 2,335.12 = 632.57 : x
  2. Step 2: Convert to fraction form
    1,558.10/2,335.12 = 632.57/x
  3. Step 3: Cross multiply
    1,558.10x = 2,335.12 × 632.57
  4. Step 4: Simplify right side
    1,558.10x = 1,477,123.70
  5. Step 5: Solve for x
    x = 1,477,123.70/1,558.10
  6. Step 6: Final answer
    x = 948.03

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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.