Home / 3,058.78-4,588.85-1,210.08

Finding the Fourth Proportional to 3,058.78, 4,588.85 and 1,210.08

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Solution

The fourth proportional to 3,058.78, 4,588.85 and 1,210.08 is: 1,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.78 : 4,588.85 = 1,210.08 : x
  2. Step 2: Convert to fraction form
    3,058.78/4,588.85 = 1,210.08/x
  3. Step 3: Cross multiply
    3,058.78x = 4,588.85 × 1,210.08
  4. Step 4: Simplify right side
    3,058.78x = 5,552,875.61
  5. Step 5: Solve for x
    x = 5,552,875.61/3,058.78
  6. Step 6: Final answer
    x = 1,815.39

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1.5x scale

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.