Home / 1,557.10-2,336.33-862.93

Finding the Fourth Proportional to 1,557.10, 2,336.33 and 862.93

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Solution

The fourth proportional to 1,557.10, 2,336.33 and 862.93 is: 1,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.10 : 2,336.33 = 862.93 : x
  2. Step 2: Convert to fraction form
    1,557.10/2,336.33 = 862.93/x
  3. Step 3: Cross multiply
    1,557.10x = 2,336.33 × 862.93
  4. Step 4: Simplify right side
    1,557.10x = 2,016,089.25
  5. Step 5: Solve for x
    x = 2,016,089.25/1,557.10
  6. Step 6: Final answer
    x = 1,294.77

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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.