Home / 1,526.79-2,105.49-1,053.93

Finding the Fourth Proportional to 1,526.79, 2,105.49 and 1,053.93

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Solution

The fourth proportional to 1,526.79, 2,105.49 and 1,053.93 is: 1,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.79 : 2,105.49 = 1,053.93 : x
  2. Step 2: Convert to fraction form
    1,526.79/2,105.49 = 1,053.93/x
  3. Step 3: Cross multiply
    1,526.79x = 2,105.49 × 1,053.93
  4. Step 4: Simplify right side
    1,526.79x = 2,219,039.08
  5. Step 5: Solve for x
    x = 2,219,039.08/1,526.79
  6. Step 6: Final answer
    x = 1,453.40

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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.