Home / 1,545.04-2,133.48-1,153.81

Finding the Fourth Proportional to 1,545.04, 2,133.48 and 1,153.81

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Solution

The fourth proportional to 1,545.04, 2,133.48 and 1,153.81 is: 1,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.04 : 2,133.48 = 1,153.81 : x
  2. Step 2: Convert to fraction form
    1,545.04/2,133.48 = 1,153.81/x
  3. Step 3: Cross multiply
    1,545.04x = 2,133.48 × 1,153.81
  4. Step 4: Simplify right side
    1,545.04x = 2,461,630.56
  5. Step 5: Solve for x
    x = 2,461,630.56/1,545.04
  6. Step 6: Final answer
    x = 1,593.25

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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.