Home / 1,570.17-2,164.80-1,303.65

Finding the Fourth Proportional to 1,570.17, 2,164.80 and 1,303.65

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Solution

The fourth proportional to 1,570.17, 2,164.80 and 1,303.65 is: 1,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.17 : 2,164.80 = 1,303.65 : x
  2. Step 2: Convert to fraction form
    1,570.17/2,164.80 = 1,303.65/x
  3. Step 3: Cross multiply
    1,570.17x = 2,164.80 × 1,303.65
  4. Step 4: Simplify right side
    1,570.17x = 2,822,141.52
  5. Step 5: Solve for x
    x = 2,822,141.52/1,570.17
  6. Step 6: Final answer
    x = 1,797.35

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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.