Home / 1,911.04-2,637.23-1,125.08

Finding the Fourth Proportional to 1,911.04, 2,637.23 and 1,125.08

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Solution

The fourth proportional to 1,911.04, 2,637.23 and 1,125.08 is: 1,552.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.04 : 2,637.23 = 1,125.08 : x
  2. Step 2: Convert to fraction form
    1,911.04/2,637.23 = 1,125.08/x
  3. Step 3: Cross multiply
    1,911.04x = 2,637.23 × 1,125.08
  4. Step 4: Simplify right side
    1,911.04x = 2,967,089.10
  5. Step 5: Solve for x
    x = 2,967,089.10/1,911.04
  6. Step 6: Final answer
    x = 1,552.61

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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.