Home / 3,088.95-4,263.05-1,910.40

Finding the Fourth Proportional to 3,088.95, 4,263.05 and 1,910.40

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Solution

The fourth proportional to 3,088.95, 4,263.05 and 1,910.40 is: 2,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.95 : 4,263.05 = 1,910.40 : x
  2. Step 2: Convert to fraction form
    3,088.95/4,263.05 = 1,910.40/x
  3. Step 3: Cross multiply
    3,088.95x = 4,263.05 × 1,910.40
  4. Step 4: Simplify right side
    3,088.95x = 8,144,130.72
  5. Step 5: Solve for x
    x = 8,144,130.72/3,088.95
  6. Step 6: Final answer
    x = 2,636.54

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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.