Home / 1,526.96-2,278.80-1,488.08

Finding the Fourth Proportional to 1,526.96, 2,278.80 and 1,488.08

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Solution

The fourth proportional to 1,526.96, 2,278.80 and 1,488.08 is: 2,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.96 : 2,278.80 = 1,488.08 : x
  2. Step 2: Convert to fraction form
    1,526.96/2,278.80 = 1,488.08/x
  3. Step 3: Cross multiply
    1,526.96x = 2,278.80 × 1,488.08
  4. Step 4: Simplify right side
    1,526.96x = 3,391,036.70
  5. Step 5: Solve for x
    x = 3,391,036.70/1,526.96
  6. Step 6: Final answer
    x = 2,220.78

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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.