Home / 1,416.04-2,114.23-1,328.56

Finding the Fourth Proportional to 1,416.04, 2,114.23 and 1,328.56

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Solution

The fourth proportional to 1,416.04, 2,114.23 and 1,328.56 is: 1,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.04 : 2,114.23 = 1,328.56 : x
  2. Step 2: Convert to fraction form
    1,416.04/2,114.23 = 1,328.56/x
  3. Step 3: Cross multiply
    1,416.04x = 2,114.23 × 1,328.56
  4. Step 4: Simplify right side
    1,416.04x = 2,808,881.41
  5. Step 5: Solve for x
    x = 2,808,881.41/1,416.04
  6. Step 6: Final answer
    x = 1,983.62

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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.