Home / 2,006.93-2,770.65-1,210.40

Finding the Fourth Proportional to 2,006.93, 2,770.65 and 1,210.40

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Solution

The fourth proportional to 2,006.93, 2,770.65 and 1,210.40 is: 1,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.93 : 2,770.65 = 1,210.40 : x
  2. Step 2: Convert to fraction form
    2,006.93/2,770.65 = 1,210.40/x
  3. Step 3: Cross multiply
    2,006.93x = 2,770.65 × 1,210.40
  4. Step 4: Simplify right side
    2,006.93x = 3,353,580.91
  5. Step 5: Solve for x
    x = 3,353,580.91/2,006.93
  6. Step 6: Final answer
    x = 1,671.00

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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.