Home / 3,124.98-4,688.15-1,045.17

Finding the Fourth Proportional to 3,124.98, 4,688.15 and 1,045.17

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Solution

The fourth proportional to 3,124.98, 4,688.15 and 1,045.17 is: 1,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.98 : 4,688.15 = 1,045.17 : x
  2. Step 2: Convert to fraction form
    3,124.98/4,688.15 = 1,045.17/x
  3. Step 3: Cross multiply
    3,124.98x = 4,688.15 × 1,045.17
  4. Step 4: Simplify right side
    3,124.98x = 4,899,908.51
  5. Step 5: Solve for x
    x = 4,899,908.51/3,124.98
  6. Step 6: Final answer
    x = 1,567.98

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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.