Home / 1,557.54-2,331.63-1,009.98

Finding the Fourth Proportional to 1,557.54, 2,331.63 and 1,009.98

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Solution

The fourth proportional to 1,557.54, 2,331.63 and 1,009.98 is: 1,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.54 : 2,331.63 = 1,009.98 : x
  2. Step 2: Convert to fraction form
    1,557.54/2,331.63 = 1,009.98/x
  3. Step 3: Cross multiply
    1,557.54x = 2,331.63 × 1,009.98
  4. Step 4: Simplify right side
    1,557.54x = 2,354,899.67
  5. Step 5: Solve for x
    x = 2,354,899.67/1,557.54
  6. Step 6: Final answer
    x = 1,511.94

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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.