Home / 1,670.55-2,303.73-1,102.36

Finding the Fourth Proportional to 1,670.55, 2,303.73 and 1,102.36

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Solution

The fourth proportional to 1,670.55, 2,303.73 and 1,102.36 is: 1,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.55 : 2,303.73 = 1,102.36 : x
  2. Step 2: Convert to fraction form
    1,670.55/2,303.73 = 1,102.36/x
  3. Step 3: Cross multiply
    1,670.55x = 2,303.73 × 1,102.36
  4. Step 4: Simplify right side
    1,670.55x = 2,539,539.80
  5. Step 5: Solve for x
    x = 2,539,539.80/1,670.55
  6. Step 6: Final answer
    x = 1,520.18

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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.