Home / 2,681.77-4,022.95-1,038.07

Finding the Fourth Proportional to 2,681.77, 4,022.95 and 1,038.07

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Solution

The fourth proportional to 2,681.77, 4,022.95 and 1,038.07 is: 1,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.77 : 4,022.95 = 1,038.07 : x
  2. Step 2: Convert to fraction form
    2,681.77/4,022.95 = 1,038.07/x
  3. Step 3: Cross multiply
    2,681.77x = 4,022.95 × 1,038.07
  4. Step 4: Simplify right side
    2,681.77x = 4,176,103.71
  5. Step 5: Solve for x
    x = 4,176,103.71/2,681.77
  6. Step 6: Final answer
    x = 1,557.22

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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.