Home / 1,924.32-2,655.53-1,085.10

Finding the Fourth Proportional to 1,924.32, 2,655.53 and 1,085.10

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Solution

The fourth proportional to 1,924.32, 2,655.53 and 1,085.10 is: 1,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.32 : 2,655.53 = 1,085.10 : x
  2. Step 2: Convert to fraction form
    1,924.32/2,655.53 = 1,085.10/x
  3. Step 3: Cross multiply
    1,924.32x = 2,655.53 × 1,085.10
  4. Step 4: Simplify right side
    1,924.32x = 2,881,515.60
  5. Step 5: Solve for x
    x = 2,881,515.60/1,924.32
  6. Step 6: Final answer
    x = 1,497.42

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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.