Home / 1,590.12-2,368.88-1,572.84

Finding the Fourth Proportional to 1,590.12, 2,368.88 and 1,572.84

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Solution

The fourth proportional to 1,590.12, 2,368.88 and 1,572.84 is: 2,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.12 : 2,368.88 = 1,572.84 : x
  2. Step 2: Convert to fraction form
    1,590.12/2,368.88 = 1,572.84/x
  3. Step 3: Cross multiply
    1,590.12x = 2,368.88 × 1,572.84
  4. Step 4: Simplify right side
    1,590.12x = 3,725,869.22
  5. Step 5: Solve for x
    x = 3,725,869.22/1,590.12
  6. Step 6: Final answer
    x = 2,343.14

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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.