Home / 1,670.48-2,302.28-1,359.44

Finding the Fourth Proportional to 1,670.48, 2,302.28 and 1,359.44

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Solution

The fourth proportional to 1,670.48, 2,302.28 and 1,359.44 is: 1,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.48 : 2,302.28 = 1,359.44 : x
  2. Step 2: Convert to fraction form
    1,670.48/2,302.28 = 1,359.44/x
  3. Step 3: Cross multiply
    1,670.48x = 2,302.28 × 1,359.44
  4. Step 4: Simplify right side
    1,670.48x = 3,129,811.52
  5. Step 5: Solve for x
    x = 3,129,811.52/1,670.48
  6. Step 6: Final answer
    x = 1,873.60

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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.