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Finding the Fourth Proportional to 1,675.40, 2,513.01 and 807.08

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Solution

The fourth proportional to 1,675.40, 2,513.01 and 807.08 is: 1,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.40 : 2,513.01 = 807.08 : x
  2. Step 2: Convert to fraction form
    1,675.40/2,513.01 = 807.08/x
  3. Step 3: Cross multiply
    1,675.40x = 2,513.01 × 807.08
  4. Step 4: Simplify right side
    1,675.40x = 2,028,200.11
  5. Step 5: Solve for x
    x = 2,028,200.11/1,675.40
  6. Step 6: Final answer
    x = 1,210.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.