Home / 1,465.66-2,187.36-1,406.12

Finding the Fourth Proportional to 1,465.66, 2,187.36 and 1,406.12

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Solution

The fourth proportional to 1,465.66, 2,187.36 and 1,406.12 is: 2,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.66 : 2,187.36 = 1,406.12 : x
  2. Step 2: Convert to fraction form
    1,465.66/2,187.36 = 1,406.12/x
  3. Step 3: Cross multiply
    1,465.66x = 2,187.36 × 1,406.12
  4. Step 4: Simplify right side
    1,465.66x = 3,075,690.64
  5. Step 5: Solve for x
    x = 3,075,690.64/1,465.66
  6. Step 6: Final answer
    x = 2,098.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.