Home / 1,619.62-2,235.08-1,030.16

Finding the Fourth Proportional to 1,619.62, 2,235.08 and 1,030.16

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Solution

The fourth proportional to 1,619.62, 2,235.08 and 1,030.16 is: 1,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.62 : 2,235.08 = 1,030.16 : x
  2. Step 2: Convert to fraction form
    1,619.62/2,235.08 = 1,030.16/x
  3. Step 3: Cross multiply
    1,619.62x = 2,235.08 × 1,030.16
  4. Step 4: Simplify right side
    1,619.62x = 2,302,490.01
  5. Step 5: Solve for x
    x = 2,302,490.01/1,619.62
  6. Step 6: Final answer
    x = 1,421.62

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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.