Home / 1,345.93-2,011.22-1,010.18

Finding the Fourth Proportional to 1,345.93, 2,011.22 and 1,010.18

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Solution

The fourth proportional to 1,345.93, 2,011.22 and 1,010.18 is: 1,509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345.93 : 2,011.22 = 1,010.18 : x
  2. Step 2: Convert to fraction form
    1,345.93/2,011.22 = 1,010.18/x
  3. Step 3: Cross multiply
    1,345.93x = 2,011.22 × 1,010.18
  4. Step 4: Simplify right side
    1,345.93x = 2,031,694.22
  5. Step 5: Solve for x
    x = 2,031,694.22/1,345.93
  6. Step 6: Final answer
    x = 1,509.51

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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.