Home / 3,655.90-5,045.27-2,083.74

Finding the Fourth Proportional to 3,655.90, 5,045.27 and 2,083.74

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Solution

The fourth proportional to 3,655.90, 5,045.27 and 2,083.74 is: 2,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.90 : 5,045.27 = 2,083.74 : x
  2. Step 2: Convert to fraction form
    3,655.90/5,045.27 = 2,083.74/x
  3. Step 3: Cross multiply
    3,655.90x = 5,045.27 × 2,083.74
  4. Step 4: Simplify right side
    3,655.90x = 10,513,030.91
  5. Step 5: Solve for x
    x = 10,513,030.91/3,655.90
  6. Step 6: Final answer
    x = 2,875.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.