Home / 1,045.24-1,565.58-953.56

Finding the Fourth Proportional to 1,045.24, 1,565.58 and 953.56

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Solution

The fourth proportional to 1,045.24, 1,565.58 and 953.56 is: 1,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.24 : 1,565.58 = 953.56 : x
  2. Step 2: Convert to fraction form
    1,045.24/1,565.58 = 953.56/x
  3. Step 3: Cross multiply
    1,045.24x = 1,565.58 × 953.56
  4. Step 4: Simplify right side
    1,045.24x = 1,492,874.46
  5. Step 5: Solve for x
    x = 1,492,874.46/1,045.24
  6. Step 6: Final answer
    x = 1,428.26

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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.