Home / 3,137.08-4,328.47-1,810.70

Finding the Fourth Proportional to 3,137.08, 4,328.47 and 1,810.70

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Solution

The fourth proportional to 3,137.08, 4,328.47 and 1,810.70 is: 2,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.08 : 4,328.47 = 1,810.70 : x
  2. Step 2: Convert to fraction form
    3,137.08/4,328.47 = 1,810.70/x
  3. Step 3: Cross multiply
    3,137.08x = 4,328.47 × 1,810.70
  4. Step 4: Simplify right side
    3,137.08x = 7,837,560.63
  5. Step 5: Solve for x
    x = 7,837,560.63/3,137.08
  6. Step 6: Final answer
    x = 2,498.36

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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.