Home / 1,752.68-2,419.20-1,089.16

Finding the Fourth Proportional to 1,752.68, 2,419.20 and 1,089.16

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Solution

The fourth proportional to 1,752.68, 2,419.20 and 1,089.16 is: 1,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.68 : 2,419.20 = 1,089.16 : x
  2. Step 2: Convert to fraction form
    1,752.68/2,419.20 = 1,089.16/x
  3. Step 3: Cross multiply
    1,752.68x = 2,419.20 × 1,089.16
  4. Step 4: Simplify right side
    1,752.68x = 2,634,895.87
  5. Step 5: Solve for x
    x = 2,634,895.87/1,752.68
  6. Step 6: Final answer
    x = 1,503.35

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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.