Home / 1,852.68-2,557.36-1,106.88

Finding the Fourth Proportional to 1,852.68, 2,557.36 and 1,106.88

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Solution

The fourth proportional to 1,852.68, 2,557.36 and 1,106.88 is: 1,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.68 : 2,557.36 = 1,106.88 : x
  2. Step 2: Convert to fraction form
    1,852.68/2,557.36 = 1,106.88/x
  3. Step 3: Cross multiply
    1,852.68x = 2,557.36 × 1,106.88
  4. Step 4: Simplify right side
    1,852.68x = 2,830,690.64
  5. Step 5: Solve for x
    x = 2,830,690.64/1,852.68
  6. Step 6: Final answer
    x = 1,527.89

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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.