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Finding the Fourth Proportional to 1,465.90, 2,023.83 and 907.12

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Solution

The fourth proportional to 1,465.90, 2,023.83 and 907.12 is: 1,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.90 : 2,023.83 = 907.12 : x
  2. Step 2: Convert to fraction form
    1,465.90/2,023.83 = 907.12/x
  3. Step 3: Cross multiply
    1,465.90x = 2,023.83 × 907.12
  4. Step 4: Simplify right side
    1,465.90x = 1,835,856.67
  5. Step 5: Solve for x
    x = 1,835,856.67/1,465.90
  6. Step 6: Final answer
    x = 1,252.38

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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.