Home / 1,860.30-2,573.57-1,528.07

Finding the Fourth Proportional to 1,860.30, 2,573.57 and 1,528.07

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Solution

The fourth proportional to 1,860.30, 2,573.57 and 1,528.07 is: 2,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.30 : 2,573.57 = 1,528.07 : x
  2. Step 2: Convert to fraction form
    1,860.30/2,573.57 = 1,528.07/x
  3. Step 3: Cross multiply
    1,860.30x = 2,573.57 × 1,528.07
  4. Step 4: Simplify right side
    1,860.30x = 3,932,586.06
  5. Step 5: Solve for x
    x = 3,932,586.06/1,860.30
  6. Step 6: Final answer
    x = 2,113.95

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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.