Home / 1,973.10-2,722.86-1,088.92

Finding the Fourth Proportional to 1,973.10, 2,722.86 and 1,088.92

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Solution

The fourth proportional to 1,973.10, 2,722.86 and 1,088.92 is: 1,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.10 : 2,722.86 = 1,088.92 : x
  2. Step 2: Convert to fraction form
    1,973.10/2,722.86 = 1,088.92/x
  3. Step 3: Cross multiply
    1,973.10x = 2,722.86 × 1,088.92
  4. Step 4: Simplify right side
    1,973.10x = 2,964,969.90
  5. Step 5: Solve for x
    x = 2,964,969.90/1,973.10
  6. Step 6: Final answer
    x = 1,502.70

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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.