Home / 1,526.25-2,106.63-966.99

Finding the Fourth Proportional to 1,526.25, 2,106.63 and 966.99

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Solution

The fourth proportional to 1,526.25, 2,106.63 and 966.99 is: 1,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.25 : 2,106.63 = 966.99 : x
  2. Step 2: Convert to fraction form
    1,526.25/2,106.63 = 966.99/x
  3. Step 3: Cross multiply
    1,526.25x = 2,106.63 × 966.99
  4. Step 4: Simplify right side
    1,526.25x = 2,037,090.14
  5. Step 5: Solve for x
    x = 2,037,090.14/1,526.25
  6. Step 6: Final answer
    x = 1,334.70

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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.